{ "description": "Astronomy Cast offers you a fact based journey through the cosmos. Each week Fraser Cain (Universe Today) and Dr. Pamela Gay (SIUE / Slacker Astronomy) take on topics ranging from the nearby planets to ubiquitous dark matter.", "id": "1357", "category": { "id": 1029, "name": "교양" }, "subscribes": 15, "is_adult_only": false, "episodes": [ { "file": "http://feedproxy.google.com/~r/astronomycast/~5/lu536xX8Juw/AstroCast-150323.mp3", "title": " Ep. 370: The Kaufmann–Bucherer–Neumann Experiments", "pubdate": "20150323" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/2UlPyZN7Nz0/AstroCast-150309.mp3", "title": " Ep. 369: The Fizeau Experiment", "pubdate": "20150316" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/iAYPPwVqhgw/AstroCast-150216.mp3", "title": " Ep. 368: Searching for the Aether Wind: the Michelson–Morley Experiment", "pubdate": "20150223" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/0TxrUiLmL0o/AstroCast-150209.mp3", "title": " Ep. 367: Spitzer does Exoplanets", "pubdate": "20150216" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/VU3Q95yt_MU/AstroCast-150202.mp3", "title": " Ep. 366: HARPS Spectrograph", "pubdate": "20150209" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/g7qTlQEmJvA/AstroCast-150126.mp3", "title": " Ep. 365: Gaia", "pubdate": "20150202" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/edbgvD0dU7A/AstroCast-150119.mp3", "title": " Ep. 364: The COROT Mission", "pubdate": "20150126" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/8-ZWk7syh5s/AstroCast-150112.mp3", "title": " Ep. 363: Where Did Earth\"s Water Come From?", "pubdate": "20150119" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/-Mb3wUOhHUw/AstroCast-141229.mp3", "title": " Ep. 362: Modern Women: Carolyn Porco", "pubdate": "20150112" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Sv2GN0ckMuY/AstroCast-141222.mp3", "title": " Ep. 361: Modern Women: Maria Zuber", "pubdate": "20150105" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/NDzvmaLY95Q/AstroCast-141215.mp3", "title": " Ep. 360: Modern Women: Jocelyn Bell Burnell", "pubdate": "20141229" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/bDqx3jubE5k/AstroCast-141201.mp3", "title": " Ep. 359: Modern Women: Margaret Geller", "pubdate": "20141215" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/osUf23f5MXI/AstroCast-141103.mp3", "title": " Ep. 358: Modern Women: Sandra Faber", "pubdate": "20141208" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/mYLDUPAOE04/AstroCast-141027.mp3", "title": " Ep. 357: Modern Women: Vera Rubin", "pubdate": "20141201" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/zXPgYq9ZH9E/AstroCast-141020.mp3", "title": " Ep. 356: Rotational Inertia", "pubdate": "20141124" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/XJdxEocyKfM/AstroCast-141013.mp3", "title": " Ep. 355: Maker Space: 3D Printing Exploration", "pubdate": "20141117" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Bavt-U43UCs/AstroCast-141006.mp3", "title": " Ep. 354: Comet Siding Spring vs. Mars", "pubdate": "20141110" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Xghgdx99GDY/AstroCast-140929.mp3", "title": " Ep. 353: Seasons on Saturn", "pubdate": "20141020" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/G1MzAPPTkmw/AstroCast-140922.mp3", "title": " Ep. 352: Water, Water Everywhere!", "pubdate": "20141006" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/iKeZgM5xqeE/AstroCast-140908.mp3", "title": " Special Episode: Live from DragonCon 2014!", "pubdate": "20140929" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/lG3MUvzDNbA/AstroCast-140915.mp3", "title": " Ep. 351: Asteroid Adventures", "pubdate": "20140922" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Wgf1lRv75S4/AstroCast-140623.mp3", "title": " Ep. 350: Space Ship One", "pubdate": "20140707" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/KaEfPrmyuRo/AstroCast_140616.mp3", "title": " Ep. 349: Mercury 7 and How the US Picked the First Astronauts", "pubdate": "20140630" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/VO3L4BfWKVI/AstroCast-140609.mp3", "title": " Ep. 348: Places with Numbers: 2 Independence Sq (NASA HQ)", "pubdate": "20140623" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Keqp5OezXkU/AstroCast-140601.mp3", "title": " Ep. 347: Live from Balticon!", "pubdate": "20140609" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/PzkBj3bFF8M/AstroCast-140519.mp3", "title": " Ep. 346: Numbered Places: Area 51", "pubdate": "20140526" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/7wg17iXrp48/AstroCast-140512.mp3", "title": " Ep. 345: Numbered Places: Launch Complex 39", "pubdate": "20140519" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/1O7s6sPt6yI/AstroCast-140505.mp3", "title": " Ep. 344: The Rings of Saturn", "pubdate": "20140505" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/-q7DRpNu2CI/AstroCast-140428.mp3", "title": " Ep. 343: The Universe is Trying To Kill You", "pubdate": "20140428" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/QIyi1SPkz04/AstroCast-140414.mp3", "title": " Ep. 342: Sunsetting Spacecraft", "pubdate": "20140415" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Gut3PXAF8Wg/AstroCast-140407.mp3", "title": " Ep. 341: 45th Lunar and Planetary Science Conference", "pubdate": "20140411" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/lj0L97AS6LI/AstroCast-140331.mp3", "title": " Ep. 340: Wernher von Braun", "pubdate": "20140407" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/CyS2AlOxb4U/AstroCast-140324.mp3", "title": " Ep. 339: Space Conspiracy Theories", "pubdate": "20140331" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/nhW6FU52axQ/AstroCast-140317.mp3", "title": " Ep. 338: Copernicus", "pubdate": "20140324" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/qQ2gwcBuaCY/AstroCast-140310.mp3", "title": " Ep. 337: Photometry", "pubdate": "20140317" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/c6iDSR6aiUw/AstroCast-140303.mp3", "title": " Ep. 336: Units of Measure", "pubdate": "20140310" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/7Yp_y7QiWy0/AstroCast-140224.mp3", "title": " Ep. 335:Photoelectric Effect", "pubdate": "20140224" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/9fUTfk4eIHE/AstroCast-140217.mp3", "title": " Ep. 334: Chelyabinsk", "pubdate": "20140217" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/twWH2IqPHuI/AstroCast-140210.mp3", "title": " Ep. 333: When Worlds Collide", "pubdate": "20140210" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/HcdMLAmMOlA/AstroCast-140203.mp3", "title": " Ep. 332: Stellar Collisions", "pubdate": "20140203" }, { 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Clarke’s Technologies", "pubdate": "20140127" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/EFaXGxi1w8Q/AstroCast-140120.mp3", "title": " Ep. 330: Arthur C. Clarke", "pubdate": "20140120" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/VEO5dDi1qi4/AstroCast-140113.mp3", "title": " Ep. 329: Telescope Making, Part 3: Space Telescopes", "pubdate": "20140113" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/7Q_-yFr3lPQ/AstroCast-140106.mp3", "title": " Ep. 328: Telescope Making, Part 2: Serious Gear", "pubdate": "20140106" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/nTLA-PoiAvA/AstroCast-131230.mp3", "title": " Ep. 327: Telescope Making, Part 1: Toys and Kits", "pubdate": "20131230" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/50V88H53dFY/AstroCast-131223.mp3", "title": " Ep. 326: Atmospheric Dust", "pubdate": "20131223" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/KAtrBu_219w/AstroCast-131216.mp3", "title": " Ep. 325: Cold Fusion", "pubdate": "20131218" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/G05XcoX5GKc/AstroCast-131209.mp3", "title": " Ep. 324: Sun Grazers", "pubdate": "20131209" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/qjCovVLw0lY/AstroCast-131202.mp3", "title": " Ep. 323: Isotopes", "pubdate": "20131203" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/w9taekCebyM/AstroCast-131125.mp3", "title": " Ep. 322: SOHO", "pubdate": "20131125" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/LLejyUx9uY8/AstroCast-131118.mp3", "title": " Ep. 321: Solar Flares", "pubdate": "20131118" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/L9qfv8E_ld0/AstroCast-131111.mp3", "title": " Ep. 320: Layers of the Sun", "pubdate": "20131111" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/9YqJptn7J9M/AstroCast-131103.mp3", "title": " Ep. 319: The Zodiac", "pubdate": "20131104" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/hruEhLg-z84/AstroCast-131028.mp3", "title": " Ep. 318: Escape Velocity", "pubdate": "20131028" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/bv-aiuEm5tg/AstroCast-131021.mp3", "title": " Ep. 317: Observatories", "pubdate": "20131023" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/rRexVVVctew/AstroCast-131014.mp3", "title": " Ep. 316: Observational vs. Experimental Science", "pubdate": "20131014" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/nCoekvJyAeI/AstroCast-131007.mp3", "title": " Ep. 315: Particle Accelerators", "pubdate": "20131007" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/_MV22nsQum0/AstroCast-130708.mp3", "title": " Ep. 314: Acceleration", "pubdate": "20130708" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/k0pjdQMwsy4/AstroCast-130701.mp3", "title": " Ep. 313: Precession", "pubdate": "20130701" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/IV6e4RruRXA/AstroCast-130624.mp3", "title": " Ep. 312: Inverse-Square Law and Other Strangeness", "pubdate": "20130624" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/12wzkMulCp8/AstroCast-130617.mp3", "title": " Ep. 311: Sound", "pubdate": "20130617" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/7n62lNFumHI/AstroCast-130603.mp3", "title": " Ep. 309: Creating a Scienc-y Society", "pubdate": "20130603" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/dhAHB0G9jjo/AstroCast-130527.mp3", "title": " Ep. 308: Climate Change", "pubdate": "20130527" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/n3BjCL6ac64/AstroCast-130520.mp3", "title": " Ep. 307: The Pacific Ring of Fire", "pubdate": "20130520" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/cN20MDR7DOw/AstroCast-130513.mp3", "title": " Ep. 306: Accretion Discs", "pubdate": "20130513" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/9qDYJhhJilA/AstroCast-130506.mp3", "title": " Ep. 305: The Spacecraft That Wouldn\"t Die", "pubdate": "20130506" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/qE3FOA3_ulQ/AstroCast-130429.mp3", "title": " Ep. 304: Death of a Spacecraft", "pubdate": "20130429" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/AFdi-O1A-5s/AstroCast-130422.mp3", "title": " Ep. 303: Equilibrium", "pubdate": "20130422" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ek8Dah6TpMk/AstroCast-130415.mp3", "title": " Ep. 302: Planetary Motion in the Sky", "pubdate": "20130415" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/5ow5n9GW_UQ/AstroCast-130408.mp3", "title": " Ep. 301: Planetary Migration", "pubdate": "20130408" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ukD6fiymwUE/AstroCast-130401.mp3", "title": " Ep. 300: What We\"ve Learned in Almost 7 Years", "pubdate": "20130401" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/bkyU-uo4RxQ/AstroCast-130325.mp3", "title": " Ep. 299: Space Stations, Part 4 — Future Space Station", "pubdate": "20130325" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Dxm9UFoVHDg/AstroCast-130318.mp3", "title": " Ep. 298: Space Stations, Part 3 — International Space Station", "pubdate": "20130318" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/tbsBIDZqP8Y/AstroCast-130311.mp3", "title": " Ep. 297: Space Stations, Part 2 — Mir ", "pubdate": "20130311" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/NAfkzEBOzwE/AstroCast-130304.mp3", "title": " Ep. 296: Space Stations, Part 1 — Salyut and Skylab ", "pubdate": "20130304" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/95eFiHEMmZg/AstroCast-130225.mp3", "title": "Ep. 295: The Observable Universe", "pubdate": "20130218" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/0WFD1IvVxOY/AstroCast-130211.mp3", "title": "Ep. 293: Earthquakes", "pubdate": "20130211" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/41v6e0JKIA8/AstroCast-130204.mp3", "title": "Ep. 292: The Oort Cloud", "pubdate": "20130204" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Rn7j_8sykt4/AstroCast-130128.mp3", "title": "Ep. 291: Shockwaves", "pubdate": "20130128" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/qaehirBS8LI/AstroCast-130121.mp3", "title": "Ep. 290: Failed Stars", "pubdate": "20130121" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/N-UG26_xKJY/AstroCast-130114.mp3", "title": "Ep. 289: Cherenkov Radiation", "pubdate": "20130114" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/9m5Xg8dPi94/AstroCast-130107.mp3", "title": "Ep. 288: Phases of Matter", "pubdate": "20130107" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/QE87_iVzryo/AstroCast-121231.mp3", "title": "Ep. 287: E=mc^2", "pubdate": "20121231" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ZLPWcf45lls/AstroCast-121224.mp3", "title": "Ep. 286: How to Debunk an End-of-the-World Myth", "pubdate": "20121224" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Q4LOYja4_cw/AstroCast-121217.mp3", "title": "Ep. 285: How the World Will Really End", "pubdate": "20121217" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/0tyI6aCW9BY/AstroCast-121210.mp3", "title": "Ep. 284: Optics", "pubdate": "20121210" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/CFtqHda79ok/AstroCast-121203.mp3", "title": "Ep. 283: Stellar Motion", "pubdate": "20121203" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/HW6GwWZWTdU/AstroCast-121126.mp3", "title": "Ep. 282: Seasons", "pubdate": "20121126" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/A1Fn7_XNzaE/AstroCast-121119.mp3", "title": "Ep. 281: Explosions in Space", "pubdate": "20121119" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/0xt9xfM6h8w/AstroCast-121112.mp3", "title": "Ep. 280: The Cosmological Constant", "pubdate": "20121112" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/QKi5Pwnt8Uw/AstroCast-121105.mp3", "title": "Ep. 279: The Hubble Constant", "pubdate": "20121105" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/3wT2ui2mhFo/AstroCast-121029.mp3", "title": "Ep. 278: Animals in Space", "pubdate": "20121029" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/DvF_kvUzSxg/AstroCast-121022.mp3", "title": "Ep. 277: Orbit", "pubdate": "20121022" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/zFbJLH-EqxI/AstroCast-121015.mp3", "title": "Ep. 276: XMM-Newton", "pubdate": "20121015" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/V6wA5PRopAo/AstroCast-121008.mp3", "title": "Ep. 275: Isaac Newton", "pubdate": "20121008" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Aj0yNeBSzg0/AstroCast-121001.mp3", "title": "Ep. 274: Vesta", "pubdate": "20121001" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/yWt6JQuAFq4/AstroCast-120924.mp3", "title": "Ep. 273: Solutions to the Fermi Paradox", "pubdate": "20120924" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/4IkqBj3iRzs/AstroCast-120917.mp3", "title": "Ep. 272: Abiogenesis", "pubdate": "20120917" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/xPhcLPD2Dy0/AstroCast-120910.mp3", "title": "Ep. 271: Who Does What in Space and Astronomy", "pubdate": "20120910" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/X9_Jtw2iYWs/AstroCast-120903.mp3", "title": "Astronomy Cast at Dragon*Con 2012: Space Money", "pubdate": "20120903" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/_EIA7cB3VgQ/AstroCast-120618.mp3", "title": "Ep. 270: Inertia", "pubdate": "20120618" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/F45q61L42gE/AstroCast-120611.mp3", "title": "Ep. 269: Mass", "pubdate": "20120611" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/9ReQspTerEg/AstroCast-120604.mp3", "title": "Ep. 268: Energy", "pubdate": "20120604" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/pvmCZNGtzoY/AstroCast-120528.mp3", "title": "Ep. 267: Infinities", "pubdate": "20120528" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/3u7aCwE0bjo/AstroCast-120521.mp3", "title": "Ep. 266: Archimedes", "pubdate": "20120521" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/wL-DberxlA8/AstroCast-120514.mp3", "title": "Ep. 265: Arthur Eddington", "pubdate": "20120514" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/LKKXERk8sW0/AstroCast-120507.mp3", "title": "Ep. 264: Hazards of Spaceflight", "pubdate": "20120507" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/kSVjWg3Cb7s/AstroCast-120430.mp3", "title": "Ep. 263: Radioactive Decay", "pubdate": "20120430" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/oSagEB1pf-c/AstroCast-120423.mp3", "title": "Ep. 262: Solar Sails", "pubdate": "20120423" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/A4rRP_oG008/AstroCast-120416.mp3", "title": "Ep. 261: Lasers and Masers in Astronomy", "pubdate": "20120416" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/5OWrhIzt41w/AstroCast-120409.mp3", "title": "Ep. 260: The Technology of Lasers and Masers", "pubdate": "20120409" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/6Jxxb-UAKOk/AstroCast-120402.mp3", "title": "Ep. 259: Exploration of Venus", "pubdate": "20120402" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/RF5ZR4sqMrA/AstroCast-120326.mp3", "title": "Ep. 258: Viking Landers", "pubdate": "20120326" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/3h-Kb3fMn24/AstroCast-120319.mp3", "title": "Ep. 257: Viking Orbiters", "pubdate": "20120319" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/bEq_2rPAzow/AstroCast-120312.mp3", "title": "Ep. 256: Resolution", "pubdate": "20120312" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/H-lCzS6YnSc/AstroCast-120305.mp3", "title": "Ep. 255: Observing Hydrogen", "pubdate": "20120305" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/rkkVSETGNVE/AstroCast-120229.mp3", "title": "Ep 254: Reflection and Refraction", "pubdate": "20120227" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/7uTJxci0z_o/AstroCast-120220.mp3", "title": "Ep. 253: Rayleigh Scattering", "pubdate": "20120220" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/h-Nov8COFOw/AstroCast-120213.mp3", "title": "Ep. 252: Heisenberg Uncertainty Principle", "pubdate": "20120213" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/mShLF5zzGlM/AstroCast-120206.mp3", "title": "Ep. 251: Messier Catalog", "pubdate": "20120206" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/gV_o3BGUg64/AstroCast-120130.mp3", "title": "Ep. 250: Precision", "pubdate": "20120130" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/QOPZRi64oGk/AstroCast-120123.mp3", "title": "Ep. 249: Schrödinger’s Cat", "pubdate": "20120123" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/e3g6TYe5wrU/AstroCast-120116.mp3", "title": "Ep. 248: Carina Constellation", "pubdate": "20120116" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/-wZCeKwUcTk/AstroCast-120109.mp3", "title": "Ep. 247: The Ages of Things", "pubdate": "20120109" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/gCa-owoua5I/AstroCast-120102.mp3", "title": "Ep. 246: What If Something Was Different?", "pubdate": "20120102" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Z8xGIrFqO4w/AstroCast-111226.mp3", "title": "Ep. 245: Calendars", "pubdate": "20111226" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Z5RmA95-IUY/AstroCast-111219.mp3", "title": "Ep. 244: Io", "pubdate": "20111219" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/vdIT8t37S4w/AstroCast-111212.mp3", "title": "Ep. 243: Tunguska Event", "pubdate": "20111212" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/U17y4xhoQbI/AstroCast-1111205.mp3", "title": "Ep. 242: Torino Scale", "pubdate": "20111205" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/5EKsgbyouD4/AstroCast-111128.mp3", "title": "Ep. 241: Astrophotography, Part 3: Image Processing", "pubdate": "20111128" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/1qDxC36pWSQ/AstroCast-111121.mp3", "title": "Ep. 240: Astrophotography, Part 2: Techniques", "pubdate": "20111121" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/-Wq09H-gUY4/AstroCast-111114.mp3", "title": "Ep. 239: Astrophotography, Part 1: The Gear", "pubdate": "20111114" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/x-Wyr7xUQqo/AstroCast-111107.mp3", "title": "Ep. 238: Solar Activity", "pubdate": "20111107" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/B9daRNMlwAM/AstroCast-111031.mp3", "title": "Ep. 237: Spooky Space Sounds", "pubdate": "20111031" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/cxlkLVfAjRo/AstroCast-111024.mp3", "title": "Ep. 236: Einstein Was Right", "pubdate": "20111024" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/EhyvFDFB3uw/AstroCast-111017.mp3", "title": "Ep. 235: Einstein", "pubdate": "20111017" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ua6sYvoG1oE/AstroCast-DragonCon.mp3", "title": "Astronomy Cast at Dragon*Con 2011: Strange Stuff in Space", "pubdate": "20111015" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/1mzld6p8kEg/AstroCast-111010.mp3", "title": "Ep. 234: Lunar Phases", "pubdate": "20111010" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/yCA2qeyiVmI/AstroCast-111003.mp3", "title": "Ep. 233: Radar", "pubdate": "20111003" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Or9dOHAwLdA/AstroCast-110926.mp3", "title": "Ep. 232: Galileo Spacecraft", "pubdate": "20110926" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/D8uUgtYjZcY/AstroCast-110502.mp3", "title": "Ep. 231: Galileo Galilei", "pubdate": "20110502" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/c_dO0_fGEO8/AstroCast-110425.mp3", "title": "Ep. 230: Christiaan Huygens", "pubdate": "20110425" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/stT6EQ5EI9U/AstroCast-110418.mp3", "title": "Ep. 229: Cassini Mission", "pubdate": "20110418" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/CLHyb_AAt1Q/AstroCast-110411.mp3", "title": "Ep. 228: Giovanni Cassini", "pubdate": "20110411" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/IP4O7z8dTlw/AstroCast-110404.mp3", "title": "Ep. 227: The Big Dipper", "pubdate": "20110404" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/afZgQMh-Hw8/AstroCast-110328.mp3", "title": "Ep. 226: Weather", "pubdate": "20110328" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/hICeVi72fLc/AstroCast-110321.mp3", "title": "Ep. 225: Ice in Space", "pubdate": "20110321" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/yBev025wCw0/AstroCast-110314.mp3", "title": "Ep. 224: Orion", "pubdate": "20110314" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/oPHlqRcZgyw/AstroCast-110307.mp3", "title": "Ep. 223: The Transit of Venus", "pubdate": "20110307" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/vP1tlt6qSwQ/AstroCast-110228.mp3", "title": "Ep. 222: The Decadal Survey", "pubdate": "20110228" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/bThMMgUSges/AstroCast-110221.mp3", "title": "Ep. 221: Geomorphology", "pubdate": "20110221" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/P2jJ3CnSfbs/AstroCast-110214.mp3", "title": "Ep. 220: Mass Extinction Events", "pubdate": "20110214" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/BEdn2LlY1U4/AstroCast-110207.mp3", "title": "Ep. 219: Planck Mission", "pubdate": "20110207" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/f_K3T15zV7Y/AstroCast-110131.mp3", "title": "Ep. 218: Max Planck", "pubdate": "20110131" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Nt3EdDKavYI/AstroCast-110124.mp3", "title": "Ep. 217: Stellar Classification", "pubdate": "20110124" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/HlSNGr1-YTg/AstroCast-110117.mp3", "title": "Ep. 216: Archaeoastronomy", "pubdate": "20110117" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/qKXfa8S2ubk/AstroCast-110110.mp3", "title": "Episode 215: Light Echoes", "pubdate": "20110110" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/fAzvztK4-Jk/AstroCast-110103.mp3", "title": "Episode 214: Space Tourism", "pubdate": "20110103" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/naZAVTDL3GM/AstroCast-101227.mp3", "title": "Episode 213: Supermassive Black Holes", "pubdate": "20101227" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Nt3EdDKavYI/AstroCast-110124.mp3", "title": "Episode 212: GPS Navigation", "pubdate": "20101220" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/xe5ssRtBdk8/AstroCast-101213.mp3", "title": "Episode 211: Celestial Navigation", "pubdate": "20101213" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/5884cjzFhBg/AstroCast-101206.mp3", "title": "Episode 210: Mars Exploration Rovers", "pubdate": "20101206" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/d8UeUb6qigA/AstroCast-101129.mp3", "title": "Episode 209: Exotic Life", "pubdate": "20101129" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/8noKgr6a_DM/AstroCast-101122.mp3", "title": "Episode 208: Spitzer Space Telescope", "pubdate": "20101122" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/H9D3Hb_Xuq4/AstroCast-101115.mp3", "title": "Episode 207: Lyman Spitzer", "pubdate": "20101115" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/u-ya3AIItKs/AstroCast-101108.mp3", "title": "Episode 206: Fission", "pubdate": "20101108" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/6KR6C984Mac/AstroCast-101101.mp3", "title": "Episode 205: Fusion", "pubdate": "20101101" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/SVYNK8vxN78/AstroCast-101025.mp3", "title": "Episode 204: Temperature", "pubdate": "20101025" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/JGgi8DPB-Yc/AstroCast-101018.mp3", "title": "Episode 203: Europa", "pubdate": "20101018" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/_QFozRS5gEw/AstroCast-101011.mp3", "title": "Episode 202: The Planets at Gliese 581", "pubdate": "20101011" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/fBiglhzyvec/AstroCast-101004.mp3", "title": "Episode 201: Titan", "pubdate": "20101004" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/um8S4lWReAs/AstroCast-100927.mp3", "title": "Episode 200: The Mariner Program", "pubdate": "20100927" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/NLtjGQ9sDa4/AstroCast-100920.mp3", "title": "Episode 199: The Voyager Program", "pubdate": "20100920" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/QTH6g2Q2Eo8/AstroCast-100913.mp3", "title": "Episode 198: How is a Space Mission Chosen?", "pubdate": "20100913" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/MksjCanlRfY/AstronomyCast.mp3", "title": "Ep. 197: Astronomy Cast Live from Dragon*Con 2010", "pubdate": "20100906" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ZX4AGuNYZNE/AstroCast-100628.mp3", "title": "Ep. 196: Luminosity and Magnitude", "pubdate": "20100628" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/xh9GrGr4K2U/AstroCast-100621.mp3", "title": "Ep. 195: Planetary Rings", "pubdate": "20100621" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/tbzYOTT_3Kc/AstroCast-100614.mp3", "title": "Ep. 194: Dwarf Planets", "pubdate": "20100614" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/bX50kA3lwDM/AstroCast-20100607.mp3", "title": "Ep. 193: Astronomy with the Unaided Eye", "pubdate": "20100607" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/VHaqrfXUKsA/AstroCast-100531.mp3", "title": "Ep. 192: Chandra X-Ray Observatory", "pubdate": "20100531" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/WM9MzwE5T9E/AstroCast-100524.mp3", "title": "Ep. 191: Chandrasekhar", "pubdate": "20100524" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/WqUoHvdCkLE/AstroCast-100517.mp3", "title": "Ep. 190: Kepler Mission", "pubdate": "20100517" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/yJNs9KiRg8A/AstroCast-100510.mp3", "title": "Ep. 189: Johannes Kepler and His Laws of Planetary Motion", "pubdate": "20100510" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ii00QMFRwF8/AstroCast-100503.mp3", "title": "Ep. 188: The Future of Astronomy", "pubdate": "20100503" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/z19W7BEv54g/AstroCast-100426.mp3", "title": "Ep. 187: History of Astronomy, Part 5: The 20th Century", "pubdate": "20100426" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Wx0R-ZoG6Ao/AstroCast-100419.mp3", "title": "Ep. 186: History of Astronomy, Part 4: The Beginning of Modern Astronomy ", "pubdate": "20100419" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/sHHz-HMPFKQ/AstroCast-100412.mp3", "title": "Ep. 185: History of Astronomy, Part 3: The Renaissance", "pubdate": "20100412" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/7_r3CvaI7fI/AstroCast-100405.mp3", "title": "Ep. 184: History of Astronomy, Part 2: The Greeks", "pubdate": "20100405" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/w7szKjGjyRI/AstroCast-100329.mp3", "title": "Ep. 183: History of Astronomy, Part 1: The Ancient Astronomers", "pubdate": "20100329" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Ka8pYjkjfpg/AstroCast-100322.mp3", "title": "Ep. 182: Astrometry", "pubdate": "20100322" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/fD3htK3Vt9c/AstroCast-100315.mp3", "title": "Ep. 181: Rotation", "pubdate": "20100315" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/nXoJN9GSaCg/AstroCast-100308.mp3", "title": "Ep. 180: Albedo", "pubdate": "20100308" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Pi4lr_-u-7A/AstroCast-100301.mp3", "title": "Ep. 179: Mysteries of the Universe, Part 2", "pubdate": "20100301" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ZhjSwc4GX8o/AstroCast-100222.mp3", "title": "Ep. 178: Mysteries of the Universe, Part 1", "pubdate": "20100222" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Jo6zkTwcm8A/AstroCast-100215.mp3", "title": "Ep. 177: Mysteries of the Milky Way, Part 2", "pubdate": "20100215" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/nJR4N6iSMss/AstroCast-100208.mp3", "title": "Ep. 176: Mysteries of the Milky Way, Part 1", "pubdate": "20100208" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/DCcHJo3BqMU/AstroCast-100201.mp3", "title": "Ep. 175: Mysteries of the Solar System, Part 2", "pubdate": "20100201" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/f2hWcGcrRXc/AstroCast-100125.mp3", "title": "Ep. 174: Mysteries of the Solar System, Part 1", "pubdate": "20100125" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/fB6v2ZXb-NQ/AstroCast-100118.mp3", "title": "Ep. 173: Herschel Space Observatory", "pubdate": "20100118" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/yeE4PGkqRI4/AstroCast-100111.mp3", "title": "Ep. 172: William Herschel", "pubdate": "20100111" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/pOVuCK0Ie3Q/AstroCast-100104.mp3", "title": "Ep. 171: Solar System Movements and Positions", "pubdate": "20100104" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/-D8VMxuwdv4/AstroCast-091228.mp3", "title": "Ep. 170: Coordinate Systems ", "pubdate": "20091228" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ZrLB4Cy2FPw/AstroCast-091221.mp3", "title": "Ep. 169: Fermi Mission", "pubdate": "20091221" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/sXHNw5HDhDk/AstroCast-091214.mp3", "title": "Ep. 168: Enrico Fermi", "pubdate": "20091214" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/MQ8Xp3Koels/AstroCast-091207.mp3", "title": "Ep. 167: Future Civilizations", "pubdate": "20091207" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/FcTLfEMrD1U/AstroCast-091130.mp3", "title": "Ep. 166: Multiverses", "pubdate": "20091130" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/rUG0KSmDF7E/AstroCast-091123.mp3", "title": "Ep. 165: Doppler Effect", "pubdate": "20091123" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/xiHzRCx_x5I/AstroCast-091116.mp3", "title": "Ep. 164: Inside the Atom", "pubdate": "20091116" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/4AHeKo6xeQc/AstroCast-091109.mp3", "title": "Ep. 163: Auroras", "pubdate": "20091109" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/DtLoAFtJhcg/AstroCast-091102.mp3", "title": "Ep. 162: Edwin Hubble", "pubdate": "20091102" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/7PjLEhIGfAg/AstroCast-091026.mp3", "title": "Ep. 161: Launch Facilities ", "pubdate": "20091026" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Fykx1b8wl9g/AstroCast-091019.mp3", "title": "Ep. 160: Eclipses ", "pubdate": "20091019" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/3f17vIoYYXw/AstroCast-091012.mp3", "title": "Ep. 159: Planet X ", "pubdate": "20091012" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Nq7MBw6rFhE/AstroCast-091005.mp3", "title": "Ep. 158: Pulsars ", "pubdate": "20091005" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/k9yd-VEyf48/AstroCast-090928.mp3", "title": "Ep. 157: Constellations ", "pubdate": "20090928" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/4TPW83-0h4Y/AstroCast-090921.mp3", "title": "Ep. 156: Famous Stars", "pubdate": "20090921" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/-_wOdpGFa-M/AstroCast-090914.mp3", "title": "Ep. 155: Dwarf Stars", "pubdate": "20090914" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ip_bHu_6554/AstroCAst-090907.mp3", "title": "Ep. 154: Dragon*Con Live with Seth Shostak", "pubdate": "20090907" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/lCa6X8t3WdI/AstroCast-090831.mp3", "title": "Ep. 153: Dark Skies", "pubdate": "20090831" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/BmtX_t3Frm4/AstroCast-090824.mp3", "title": "Ep. 152: Binary Stars", "pubdate": "20090824" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/s1RNQZMDylk/AstroCast-090817.mp3", "title": "Ep. 151: Atmospheres", "pubdate": "20090817" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/vH-UPV4xsvw/AstroCast-090810.mp3", "title": "Ep. 150: Telescopes, the Next Level", "pubdate": "20090810" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/sZWj_uSB7uM/AstroCast-090803.mp3", "title": "Ep. 149: Constellation Program", "pubdate": "20090803" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/3euQAo7f4Ag/AstroCast-090727.mp3", "title": "Ep. 148: Astronomy and New Media", "pubdate": "20090727" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/a9qN4-8i-nQ/AstroCast-090720.mp3", "title": "Ep. 147: How to Be Taken Seriously By Scientists", "pubdate": "20090720" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/j3uv_w1VoIg/AstroCast-090713.mp3", "title": "Ep. 146: Astronomy Research from Idea to Publication", "pubdate": "20090713" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/xMFMObgrFAY/AstroCast-090706.mp3", "title": "Ep. 145: Interstellar Travel", "pubdate": "20090706" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/9TcgvigonPk/AstroCast-090702.mp3", "title": "Questions Show: Imaging Extrasolar Planets, Infinite Universe, Inside a Black Hole", "pubdate": "20090702" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/kXzC4808KOY/AstroCast-090629.mp3", "title": "Ep. 144: Space Elevators", "pubdate": "20090629" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Xa3PaSg7yFY/AstroCast-090625.mp3", "title": "Questions Show: Matter Balance, Jumping Light Speed and Black Hole Star Formation", "pubdate": "20090625" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/TNf6fR6ezi4/AstroCast-090622.mp3", "title": "Ep. 143: Astrobiology", "pubdate": "20090622" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/5Up9VSldhsY/AstroCast-090618.mp3", "title": "Questions Show: Black black holes, Unbalancing the Earth, and Space Pollution", "pubdate": "20090618" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/x46e8SdQMW4/AstroCast-090615.mp3", "title": "Ep. 142: Plate Tectonics", "pubdate": "20090615" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/YEw1mw_ssvQ/AstroCast-090611.mp3", "title": "Questions Show: Avoiding the Heat Death, Orbiting Galaxies, and the Dangers of Space Radiation", "pubdate": "20090611" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/FnRH80MSTzQ/AstroCast-090608.mp3", "title": "Ep. 141: Volcanoes, Hot and Cold", "pubdate": "20090608" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/DnXzxflOZD4/AstroCast-090604.mp3", "title": "Questions Show: Galileoscope, Black Hole Time, and What Exactly is Energy?", "pubdate": "20090604" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/2EGNFhi7Fmo/AstroCast-090601.mp3", "title": "Ep. 140: Entanglement", "pubdate": "20090601" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/F6akb1eQi0w/AstroCast-090528.mp3", "title": "Questions Show: Telescope Suggestions, Black Hole Energy, and Universal Time", "pubdate": "20090528" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/yk1FrhQHeMg/AstroCast-090525.mp3", "title": "Ep. 139: Energy Levels and Spectra", "pubdate": "20090525" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/XudOXy9-oQA/AstroCast-090521.mp3", "title": "Questions Show: An Unlocked Moon, Energy Into Black Holes, and the Space Station\"s Orbit", "pubdate": "20090521" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ixZt-LsgCnI/AstroCast-090518.mp3", "title": "Ep. 138: Quantum Mechanics", "pubdate": "20090518" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/zUnd8DPxpKY/AstroCast-090514.mp3", "title": "Questions Show: Hidden Fusion, the Speed of Neutrinos, and Hawking Radiation", "pubdate": "20090514" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/4KV4sYGviG0/AstroCast-090511.mp3", "title": "Ep. 137: Large Scale Structure of the Universe", "pubdate": "20090511" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/tIKX1gxuIO8/AstroCast-090507.mp3", "title": "Questions Show: The Source of Atmospheres, the Vanishing Moon, and a Glow After Sunset", "pubdate": "20090507" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Kvp7bqJNHzU/AstroCast-090504.mp3", "title": "Ep. 136: Gamma Ray Astronomy", "pubdate": "20090504" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/3GaX3EWbYC8/AstroCast-090430.mp3", "title": "Questions Show: Dangerous Solar Flares, Higgs Boson Insights, and Light Speed Flashlights", "pubdate": "20090430" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/rDHeQhNUodA/AstroCast-090427.mp3", "title": "Ep. 135: X-Ray Astronomy", "pubdate": "20090427" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/7Nx7JtiHvX0/AstroCast-090423.mp3", "title": "Questions Show: NorthEast Astronomy Forum (NEAF)", "pubdate": "20090423" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/9qkIYVZ-hgI/AstroCast-090420.mp3", "title": "Ep. 134: Ultraviolet Astronomy", "pubdate": "20090420" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/nulP0D6iU5M/AstroCast-090413.mp3", "title": "Ep. 133: Optical Astronomy", "pubdate": "20090413" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/BFgT8vnXrYc/AstroCast-090409.mp3", "title": "Questions Show: Undoing Inflation, Searching for Water, and Seeing Everything a Black Hole\"s Ever Eaten", "pubdate": "20090409" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/KfKti1TWQgk/AstroCast-090406.mp3", "title": "Ep. 132: Infrared Astronomy", "pubdate": "20090406" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/eK3whqswczk/AstroCast-090330.mp3", "title": "Ep. 131: Submillimeter Astronomy", "pubdate": "20090330" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/e67N4MlzQI8/AstroCast-090326.mp3", "title": "Questions Show: Decelerating Black Holes, Earth-Sun Tidal Lock, and the Crushing Gravity of Dark Matter", "pubdate": "20090326" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/uFtA-EalimA/AstroCast-090323.mp3", "title": "Ep. 130: Radio Astronomy", "pubdate": "20090323" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/pg-EY06RET0/AstroCast-090312.mp3", "title": "Questions Show: Multiple Big Bangs, Satellite Collisions and the Size of the Universe", "pubdate": "20090312" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/x4WzIVA_teQ/AstroCast-090309.mp3", "title": "Ep. 129: Interferometry", "pubdate": "20090309" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/q4zqySIY--g/AstroCast-090305.mp3", "title": "Questions Show: Shooting Lasers at the Moon and Losing Contact with Rovers", "pubdate": "20090305" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/wMCgFlX9Et8/AstroCast-090302.mp3", "title": "Ep. 128: Dust", "pubdate": "20090302" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/4hANcNbm1KE/AstroCast-090216.mp3", "title": "Ep. 127: The US Space Shuttle", "pubdate": "20090216" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Xi1cqGIF1GQ/AstroCast-090209.mp3", "title": "Ep. 126: From Skeptics Guide with Questions", "pubdate": "20090209" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/MGonIuD-5aQ/AstroCast-090202.mp3", "title": "Ep. 125: A Zoo of Extrasolar Planets", "pubdate": "20090202" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/fZTz6Q_KLAg/AstroCast-090122.mp3", "title": "Questions Show: Moons and the Drake Equation, Stars in the Void, and Rings Around Stars", "pubdate": "20090122" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/CwWnxJJAaUc/AstroCast-090118.mp3", "title": "Ep. 124: Space Capsules, Part 1 - Vostok, Mercury and Gemini", "pubdate": "20090119" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/zp_8F41EBL8/AstroCast-090112.mp3", "title": "Ep. 123: Homogeneity", "pubdate": "20090112" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/sXs-Gci5rP8/AstroCast-090106.mp3", "title": "Ep. 122: How Old is the Universe", "pubdate": "20090105" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/YUJuSXUcpug/AstroCast-090101.mp3", "title": "Questions Show: Questions Show: Stellar Roche Limits, Seeing Black Holes, and Water on Mars", "pubdate": "20090101" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/BHQbXpcZ0kI/AstroCast-081229.mp3", "title": "Ep. 121: Spacesuits", "pubdate": "20081229" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/XjuSbzZ2FhY/AstroCast-081223.mp3", "title": "Ep. 120: The Christmas Star", "pubdate": "20081222" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/wKY7SjkrJZs/AstroCast-081218.mp3", "title": "Questions Show: Different Fields of Astronomy, Our Sibling Stars, and Hidden Lagrange Points", "pubdate": "20081218" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/c89ULWyE8vY/AstroCast-081215.mp3", "title": "Ep. 119: Robots in Space", "pubdate": "20081215" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/qYq0azIdXgA/AstroCast-081211.mp3", "title": "Questions Show: Distance in Space, Changing Earth\"s Orbit, and Different Sized Stars", "pubdate": "20081211" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Z-_r0itQmZY/AstroCast-081208.mp3", "title": "Ep. 118: Sky Surveys", "pubdate": "20081208" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/AREPN9r4tKw/AstroCast-081201.mp3", "title": "Ep. 117: Time", "pubdate": "20081201" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/mpU0HwOYejE/AstroCast-081124.mp3", "title": "Ep. 116: Molecules in Space", "pubdate": "20081124" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/xx3a6oQqOl4/AstroCast-081117.mp3", "title": "Ep. 115: The Moon, Part 3: Return to the Moon", "pubdate": "20081117" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/fOY8CaZWejg/AstroCast-081113.mp3", "title": "Questions Show: Spiral Arms, Seismic Waves on the Sun, and our Favorite Gear", "pubdate": "20081113" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/bqFbeLdXBdg/AstroCast-081110.mp3", "title": "Ep. 114: The Moon, Part 2 - Exploration of the Moon", "pubdate": "20081110" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/peCtEFbXIv4/AstroCast-081106.mp3", "title": "Questions Show: Ice in Space, Expansion of the Universe, and Death from the Skies", "pubdate": "20081106" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/TnWLxLsWf98/AstroCast-081103.mp3", "title": "Ep. 113: The Moon, Part 1", "pubdate": "20081103" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/m3pPEAoBQL8/AstroCast-081030.mp3", "title": "Questions Show: Orbit of the Planets, Green Stars, and Oort Cloud Contamination", "pubdate": "20081030" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/0ieNMD5Jqzs/AstroCast-081027.mp3", "title": "Ep. 112: Death from the Skies, Interview with Phil Plait", "pubdate": "20081027" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/yoSh1kwWBEc/AstroCast-081023.mp3", "title": "Questions Show: Relativity, Relativity and More Relativity", "pubdate": "20081023" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/LsLp2apBQk4/AstroCast-081021.mp3", "title": "Ep. 111: Nebulae", "pubdate": "20081020" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/frxVvNNs5Yk/AstroCast-081020.mp3", "title": "Questions Show: Galactic Dust, the Speed of Photons, and the Big Bang Calculations", "pubdate": "20081019" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/CJ9XhgT8zPo/AstroCast-081013.mp3", "title": "Ep. 110: The Search for Extraterrestrial Intelligence", "pubdate": "20081013" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/yPBlYAegufY/AstroCast-081009.mp3", "title": "Questions Show - Alignment with the Galactic Plane, Destruction from Venus, and the Death of the Solar System", "pubdate": "20081009" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/QnJ57jKPDeA/AstroCast-081006.mp3", "title": "Ep. 109: The Life of Other Stars", "pubdate": "20081006" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/9LV7YbzwRIs/AstroCast-081002.mp3", "title": "Questions Show - Running Out of Gravitons and Hitting the Brakes at Light Speed", "pubdate": "20081002" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Qe6It3mLeMU/AstroCast-080929.mp3", "title": "Ep. 108: The Life of the Sun", "pubdate": "20080929" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/AGpLjSwyTWw/AstroCast-080925.mp3", "title": "Questions Show - light speed, Andromeda galaxy, dark matter and black holes", "pubdate": "20080926" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/qPlMPuaynwo/AstroCast-080922.mp3", "title": "Ep. 107: Nucleosynthesis: Elements from Stars", "pubdate": "20080922" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ywYYdAtuGco/AstroCast-080918.mp3", "title": "Questions Show - Black Hole Surfaces, Magnetic Field Strengths, and the Speed of Gravitons", "pubdate": "20080918" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/3ZBTvUe9vxI/AstroCast-080915.mp3", "title": "Ep. 106: The Search for the Theory of Everything", "pubdate": "20080915" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Wg0msP6VjLc/AstroCast-080727_leelanau.mp3", "title": "Student Questions Show: Leelanau School", "pubdate": "20080914" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/9lBWdhtpImw/AstroCast-080908.mp3", "title": "Ep. 105: The Strong and Weak Nuclear Forces", "pubdate": "20080908" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/okzuLAJ_jhM/AstroCast-080902.mp3", "title": "Ep. 104: Science Fiction at Dragon*Con with Plait and Grazier", "pubdate": "20080901" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/OIkk4vxAGGs/AstroCast-080825.mp3", "title": "Ep. 103: Electromagnetism", "pubdate": "20080825" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/GjPjVVcW60g/AstroCast-080818.mp3", "title": "Ep. 102: Gravity", "pubdate": "20080818" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/PPgHcvjoY7w/AstroCast-080811.mp3", "title": "Ep. 101: Advanced Propulsion Systems", "pubdate": "20080811" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/8P1Ta3aLMwk/AstroCast-080804.mp3", "title": "Ep. 100: Rockets", "pubdate": "20080804" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/TAjj1oEeFKw/AstroCast-080728.mp3", "title": "Ep. 99: The Milky Way", "pubdate": "20080728" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/m1wh-8vtE-c/AstroCast-080721.mp3", "title": "Ep. 98: Quasars", "pubdate": "20080721" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/EiqV3tYDaS4/AstroCast-080714.mp3", "title": "Ep. 97: Galaxies", "pubdate": "20080714" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/oMGuL9Dlsv8/AstroCast-080708.mp3", "title": "Ep. 96: Humans to Mars, Part 3 - Terraforming Mars", "pubdate": "20080707" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/R3xJ2W89aAY/AstroCast-080630.mp3", "title": "Ep. 95: Humans to Mars, Part 2 - Colonists", "pubdate": "20080630" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/KgcM7XoK_jk/AstroCast-080623.mp3", "title": "Ep. 94: Humans to Mars, Part 1 - The Scientists", "pubdate": "20080623" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/mB7BKB_6l1E/AstroCast-080616.mp3", "title": "Ep. 93: Missions to Mars, Part 2", "pubdate": "20080616" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/OdryB2udP5w/AstroCast-080609.mp3", "title": "Ep. 92: Missions to Mars, Part 1", "pubdate": "20080609" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/rKR384Z7x0M/AstroCast-080602.mp3", "title": "Ep. 91: The Search for Water on Mars", "pubdate": "20080602" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/51cPedLOWTY/AstroCast-080526.mp3", "title": "Ep. 90: The Scientific Method", "pubdate": "20080526" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/jPfYf-BADLw/AstroCast-080519.mp3", "title": "Ep. 89: Adaptive Optics", "pubdate": "20080519" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Kk9ib2u0jVk/AstroCast-080512.mp3", "title": "Ep. 88: The Hubble Space Telescope", "pubdate": "20080512" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/oAW5Sz8n1Vg/AstroCast-080505.mp3", "title": "Ep. 87: The End of the Universe Part 2: The End of Everything", "pubdate": "20080505" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/sDK8rN5YXjk/AstroCast-080428.mp3", "title": "Ep. 86: The End of the Universe Part 1: The End of the Solar System", "pubdate": "20080428" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/a42G13gaCKE/AstroCast-080421.mp3", "title": "Ep. 85: Detectors", "pubdate": "20080421" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Lx_z4quOLzI/AstroCast-080414.mp3", "title": "Ep. 84: Getting Around the Solar System", "pubdate": "20080414" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/L7KZuZEjJ2k/AstroCast-080407.mp3", "title": "Ep. 83: Wave Particle Duality", "pubdate": "20080407" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/EA4lQur3pGk/AstroCast-080331.mp3", "title": "Ep. 82: Space Junk", "pubdate": "20080331" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/vGX8e1aKDPc/AstroCast-080324.mp3", "title": "Ep. 81: Questions on the Shape Size and Centre of the Universe", "pubdate": "20080324" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/79BJVjeYsOQ/AstroCast-080317.mp3", "title": "Ep. 80: Craters", "pubdate": "20080317" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/zlw5TAxtI6Q/AstroCast-080310.mp3", "title": "Ep. 79: How Big is the Universe?", "pubdate": "20080310" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/xhWfhH8cBJs/AstroCast-080303.mp3", "title": "Ep. 78: What is the Shape of the Universe?", "pubdate": "20080303" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/RaHwXN-tZBQ/AstroCast-080225.mp3", "title": "Ep. 77: Where is the Centre of the Universe?", "pubdate": "20080225" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/AK7WwEP-koQ/AstroCast-080218.mp3", "title": "Ep. 76: Lagrange Points", "pubdate": "20080218" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/v7Jlh7-3a3Y/AstroCast-080215-CurtisHS.mp3", "title": "Student Questions: Curtis High School", "pubdate": "20080216" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/u85gXJwcAmc/AstroCast-080211.mp3", "title": "Ep. 75: Stellar 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}, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/S_HAna9jfzI/AstroCast-071231.mp3", "title": "Episode 69: The Large Hadron Collider and the Search for the Higgs-Boson", "pubdate": "20071231" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/F5hGFIM8M-Q/AstroCast-071224.mp3", "title": "Episode 68: Globular Clusters", "pubdate": "20071224" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/9hgwek273lA/AstroCast-071217.mp3", "title": "Episode 67: Building a Career in Astronomy", "pubdate": "20071217" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/pyImSU1C2wE/AstroCast-071210.mp3", "title": "Episode 66: How Amateurs can contribute to Astronomy", "pubdate": "20071210" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/fwfISHaM8Kk/AstroCast-071203.mp3", "title": "Episode 65: The End of Our Tour Through the Solar System", "pubdate": "20071203" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/3_xJQj5rkFE/AstroCast-071126.mp3", "title": "Episode 64: Pluto and the Icy Outer Solar System", "pubdate": "20071126" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/3t0LYwnemjc/AstroCast-071119.mp3", "title": "Episode 63: Neptune", "pubdate": "20071119" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/AWZhPr1bgbY/AstroCast-071112.mp3", "title": "Episode 62: Uranus", "pubdate": "20071112" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Ymqfiz7iHUA/AstroCast-071105b.mp3", "title": "Episode 61: Saturn\"s Moons", "pubdate": "20071105" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/1IdUcrrAKCY/AstroCast-071029.mp3", "title": "Episode 60: Questions on Inflation", "pubdate": "20071029" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/A-i7p6IDzr4/AstroCast-071022.mp3", "title": "Episode 59: Saturn", "pubdate": "20071022" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/NyHrjM42tjc/AstroCast-071015.mp3", "title": "Episode 58: Inflation", "pubdate": "20071015" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/boCKtFewTJE/AstroCast-071010.mp3", "title": "Episode 57: Jupiter\"s Moons", "pubdate": "20071008" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/f4S4HFscCzQ/AstroCast-071001.mp3", "title": "Episode 56: Jupiter", "pubdate": "20071001" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/eNs3ps1cVs4/AstroCast-070924.mp3", "title": "Episode 55: The Asteroid Belt", "pubdate": "20070924" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/6RujqSaLhuw/AstroCast-070917.mp3", "title": "Episode 54: Questions Show #6", "pubdate": "20070917" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/T7dpJHRO-bU/AstroCast-070910.mp3", "title": "Episode 53: Astronomy in Science Fiction", "pubdate": "20070910" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ZSXicOxsotQ/AstroCast-070904.mp3", "title": "Special Episode: Panspermia", "pubdate": "20070904" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/mMIrSQOcX1k/AstroCast-070903.mp3", "title": "Episode 52: Mars", "pubdate": "20070903" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/ElAQOQe0RUE/AstroCast-070827.mp3", "title": "Episode 51: Earth", "pubdate": "20070827" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/1IqD-yX-imI/AstroCast-070820.mp3", "title": "Episode 50: Venus", "pubdate": "20070820" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/-106cHH1WTo/AstroCast-070813b.mp3", "title": "Episode 49: Mercury", "pubdate": "20070813" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/8uz6Zm6k38E/AstroCast-070806.mp3", "title": "Episode 48: Tidal Forces Across the Universe", "pubdate": "20070806" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/j9xwc7k4VXk/AstroCast-070730.mp3", "title": "Episode 47: Tidal Forces", "pubdate": "20070730" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/69SLPZuXB8g/AstroCast-070723.mp3", "title": "Episode 46: Stellar Nurseries", "pubdate": "20070723" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Ej4aqxnwDJA/AstroCast-070716.mp3", "title": "Episode 45: The Important Numbers in the Universe", "pubdate": "20070716" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/8rf_APLSHiA/AstroCast-070709.mp3", "title": "Episode 44: Einstein\"s Theory of General Relativity", "pubdate": "20070709" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/OuE-KTjZMu0/AstroCast-070702.mp3", "title": "Episode 43: Questions, Questions #5", "pubdate": "20070702" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/5xAwMbnPa5Y/AstroCast-070625.mp3", "title": "Episode 42: Magnetism Everywhere", "pubdate": "20070625" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/jyZEbQSI8Ms/AstroCast-070618.mp3", "title": "Episode 41: The Rise of the Supertelescopes", "pubdate": "20070618" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/QCRKE1Ag-x4/AstroCast-070611.mp3", "title": "Episode 40: American Astronomical Society Meeting, May 2007", "pubdate": "20070611" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/cnsbNAvUdy0/AstroCast-070604.mp3", "title": "Episode 39: Astrology and UFOs", "pubdate": "20070604" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/L_OM9Mh2_sE/AstroCast-070528.mp3", "title": "Episode 38: Neutron Stars and their Exotic Cousins", "pubdate": "20070528" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/wjsFw9GoOWg/AstroCast-070521.mp3", "title": "Episode 37: Gravitational Lensing", "pubdate": "20070521" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/OhBfHYycVz8/AstroCast-070514.mp3", "title": "Episode 36: Gamma-Ray Bursts", "pubdate": "20070514" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/OYjcF12JoxY/AstroCast-070507.mp3", "title": "Episode 35: Questions Show #4", "pubdate": "20070507" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/hhmYzmUfR4E/AstroCast-070430.mp3", "title": "Episode 34: Discovering Another Earth", "pubdate": "20070430" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/nypp411GbjQ/AstroCast-070423.mp3", "title": "Episode 33: Choosing and Using a Telescope", "pubdate": "20070423" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/1alaMpZiXbo/AstroCast-070416.mp3", "title": "Episode 32: The Search for Neutrinos", "pubdate": "20070416" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/qTR-u3wSoEw/AstroCast-070409.mp3", "title": "Episode 31: String Theory, Time Travel, White Holes, Warp Speed, Multiple Dimensions, and Before the Big Bang", "pubdate": "20070409" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/tgI8gZHGeLo/AstroCast-070403.mp3", "title": "Episode 30: The Sun, Spots and All", "pubdate": "20070402" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/yMJfAzqwMtg/AstroCast-070326.mp3", "title": "Episode 29: Asteroids Make Bad Neighbors", "pubdate": "20070326" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/PUz8gCHzn2s/AstroCast-070319.mp3", "title": "Episode 28: What is the Universe Expanding Into?", "pubdate": "20070319" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/FWgM6_7eukg/AstroCast-070312.mp3", "title": "Episode 27: The Third Question Show", "pubdate": "20070312" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/tKFrPHuXRTE/AstroCast-070305.mp3", "title": "Episode 26: The Biggest Structures in the Universe", "pubdate": "20070305" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/iEMYXpoPKJM/AstroCast-070225.mp3", "title": "Episode 25: How Galaxies Form", "pubdate": "20070226" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/RYlFg15RWV4/AstroCast-070219.mp3", "title": "Episode 24: Fermi Paradox", "pubdate": "20070219" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/e7WnfFrQMgs/AstroCast-070212.mp3", "title": "Episode 23: The Drake Equation", "pubdate": "20070212" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Qoft-DJJHo8/AstroCast-070205.mp3", "title": "Episode 22: Variable Stars", "pubdate": "20070205" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/FlMxsjas-EU/AstroCast-070129.mp3", "title": "Episode 21: Black Hole Questions Answered", "pubdate": "20070129" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/FrImw2mBw6U/AstroCast-070121.mp3", "title": "Episode 20: What We Learned from the American Astronomical Society", "pubdate": "20070122" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/CFRR6cT-wxY/AstroCast-070115.mp3", "title": "Episode 19: Comets, Our Icy Friends from the Outer Solar System", "pubdate": "20070115" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/dXwrPUBCA2I/AstroCast-070107.mp3", "title": "Episode 18: Black Holes Big and Small", "pubdate": "20070108" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/eEvMevOaBh8/AstroCast-070101.mp3", "title": "Episode 17: Where does the Moon Come From?", "pubdate": "20070101" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/7RjEMhXV2BM/AstroCast-061225.mp3", "title": "Episode 16: Across the Electromagnetic Spectrum", "pubdate": "20061225" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/6W6H3eu0Vxc/AstroCast-061218.mp3", "title": "Episode 15: Listener Questions Answered", "pubdate": "20061218" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/U1V_zq4iloo/AstroCast-061211.mp3", "title": "Episode 14: We\"re All Made of Supernovae", "pubdate": "20061211" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/kLB_8qSsZ1g/AstroCast-061204.mp3", "title": "Episode 13: Where do stars go when they die?", "pubdate": "20061204" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/mMsmQWKDswY/AstroCast-061127.mp3", "title": "Episode 12: Where Do Baby Stars Come From?", "pubdate": "20061127" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/x5iENpk5sNI/AstroCast-061120.mp3", "title": "Episode 11: A Universe of Dark Energy", "pubdate": "20061120" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/sz9bA0kzK3E/AstroCast-061113.mp3", "title": "Episode 10: Measuring Distance in the Universe", "pubdate": "20061113" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/o2u6aHBcWqU/AstroCast-061106.mp3", "title": "Episode 9: Einstein\"s Theory of Special Relativity", "pubdate": "20061106" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/wotiewciTU8/AstroCast-061030.mp3", "title": "Episode 8: Meteor Showers. Yes, the sky is falling.", "pubdate": "20061030" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/NeMRFhpS7Ks/AstroCast-061023.mp3", "title": "Episode 7: Getting Started in Amateur Astronomy", "pubdate": "20061023" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/8N3aUTSd4Cw/AstroCast-061016.mp3", "title": "Episode 6: More Evidence for the Big Bang", "pubdate": "20061016" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/11AR8FhtmYA/AstroCast-061009.mp3", "title": "Episode 5: The Big Bang and Cosmic Microwave Background", "pubdate": "20061009" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/lQ-tZ4xRmTw/AstroCast-061002.mp3", "title": "Episode 4: The Search for Dark Matter", "pubdate": "20061002" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/4O3vPdFfr2w/AstroCast-060922.mp3", "title": "Episode 3: Hot Jupiters and Pulsar Planets", "pubdate": "20060925" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/Uo-Ja4Q1nWk/AstroCast-060919.mp3", "title": "Episode 2: In Search of Other Worlds", "pubdate": "20060918" }, { "file": "http://feedproxy.google.com/~r/astronomycast/~5/LdjWy79AkfQ/AstroCast-060911.mp3", "title": "Episode 1: Pluto\"s Planetary Identity Crisis", "pubdate": "20060911" } ], "likes": 0, "updated_at": "2015-03-23 09:00:00", "title": "Astronomy Cast", "created_at": "2012-02-24 10:49:24", "thumbnail": "http://img.podbbang.com/img/pb_m/thumb/x150/1357.png?time=202002171458" }