Astronomy Cast

Astronomy Cast

Wizzard Media

© Fraser Cain and Dr. Pamela Gay

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Astronomy Cast

Astronomy Cast brings you a weekly fact-based journey through the cosmos.
Title Date Listen Download
Ep. 501: Water Worlds Revisited Oct 8, 2018 Listen Download
Ep. 500: Live Celebration! Sep 17, 2018 Listen Download
Ep. 499: What is the proposed Hubble-Lemaitre Law? Sep 10, 2018 Listen Download
Astronomy Cast: On Hiatus until September 2018 Jul 1, 2018 Listen Download
Ep. 498: Dwarf Galaxy Update Jul 1, 2018 Listen Download
Ep. 497: Update on Globular Clusters Jun 25, 2018 Listen Download
Ep. 496: Update on Stellar Populations I, II, and III Jun 18, 2018 Listen Download
Ep. 495: Update on Asteroids and Prospects of Asteroid Mining Jun 11, 2018 Listen Download
Ep. 494: Icy Moons Update 2018 Jun 4, 2018 Listen Download
Ep. 493: Mars Update 2018 May 28, 2018 Listen Download
Ep. 492: Comets, Asteroids and KBO's May 21, 2018 Listen Download
Ep 491: Exoplanet Update 2018 May 14, 2018 Listen Download
Ep 490: What's New with Supernovae May 7, 2018 Listen Download
Ep 489: Black Hole Update Apr 30, 2018 Listen Download
Ep 488: Dark Energy: 2018 Edition Apr 23, 2018 Listen Download
Ep 487: Dark Matter: 2018 Edition Apr 13, 2018 Listen Download
Ep 486: Particle Physics Update Apr 6, 2018 Listen Download
Ep 485: Docking, Refueling, and Transferring Mar 30, 2018 Listen Download
Ep 484: Transfer Orbits and Gravitational Assists Mar 23, 2018 Listen Download
Ep 483: Stopping in Space Mar 16, 2018 Listen Download
Ep 482: Alternative Ways to Space Mar 9, 2018 Listen Download
Ep 481: Rockets pt. 3 - Going Faster, Higher, Farther after Fairing Separation Mar 2, 2018 Listen Download
Ep 480: Rockets pt. 2- Multi-stage Boosters Feb 23, 2018 Listen Download
Ep. 479: Rockets pt. 1- What Does "Single Stage To Orbit" Really Mean? Feb 16, 2018 Listen Download
Ep. 478: Apollo 8 with Paul Hildebrandt Feb 9, 2018 Listen Download
Ep. 477: State of Exploration: Once and Future Moon Feb 2, 2018 Listen Download
Ep. 476: The Overview Effect Jan 26, 2018 Listen Download
Updated audio - Ep. 475: Fast Radio Bursts Jan 19, 2018 Listen Download
Ep. 474: Predictions for 2018 Jan 12, 2018 Listen Download
Ep. 473: Remembering the Best Space Science of 2017 Jan 5, 2018 Listen Download
Ep. 472: Best Modern Sci Fi for the Science Lover - Part 4: Bioscience Dec 29, 2017 Listen Download
Ep. 471: Best Modern Sci Fi for the Science Lover - Part 3: Human Computer Relations Dec 22, 2017 Listen Download
Ep. 470: Best Modern Sci Fi for the Science Lover - Part 2: 3D Printing Dec 15, 2017 Listen Download
Ep. 469: Best Modern Sci Fi for the Science Lover - Part 1 Space Exploration Dec 8, 2017 Listen Download
Ep. 468: Simulations for Science and Fun Dec 1, 2017 Listen Download
Ep. 467: Resonance Nov 19, 2017 Listen Download
Ep. 466: Origins of Zero (0) Nov 17, 2017 Listen Download
Ep. 465: Exploiting Interfering Light Nov 10, 2017 Listen Download
Ep. 464: Why the Hype over an Exorock? Nov 6, 2017 Listen Download
Ep. 463: Pareidolia and the Moon Oct 30, 2017 Listen Download
Ep. 462: Modeling the Weather Oct 23, 2017 Listen Download
Ep. 461: Measuring the Weather with Satellites Oct 16, 2017 Listen Download
Ep. 460: Earth from Afar: Remote Sensing Oct 9, 2017 Listen Download
Ep. 459: Arecibo Observatory Oct 2, 2017 Listen Download
Ep. 458: The Science of Cassini Sep 25, 2017 Listen Download
Ep. 457: Why Did Cassini Have To Die? In Memoriam Sep 18, 2017 Listen Download
Ep. 456: Pluto Revisited Sep 11, 2017 Listen Download
Ep. 455: Your Practical Guide to Colonizing the Milky Way! Aug 28, 2017 Listen Download
Astronomy Cast Extra: Solar Eclipse 101 Aug 21, 2017 Listen Download
Ep. 454: Things We're Looking Forward To Jun 19, 2017 Listen Download
Ep. 453: Favorite Things We've Done These 10 Years Jun 11, 2017 Listen Download
Ep. 452: Summer Observing Challenges Jun 5, 2017 Listen Download
Ep. 451: When Can I Buy My Ticket To Space? May 29, 2017 Listen Download
Ep. 450: Inflatable Habitats May 21, 2017 Listen Download
Ep. 449: Robots in Space! May 8, 2017 Listen Download
Ep. 448: Prepping for the Eclipse May 1, 2017 Listen Download
Ep. 447: Animals in Space Pt. 3: Dogs, Monkeys and More Apr 24, 2017 Listen Download
Ep. 446: Animals in Space Pt. 2: Mice and Other Small Animals Apr 17, 2017 Listen Download
Ep. 445: Animals in Space Pt. 1: Insects and Arachnids Apr 10, 2017 Listen Download
Ep. 444: Fractals Apr 3, 2017 Listen Download
Ep. 443: Destroy and Rebuild Pt. 7: Tsunamis Mar 13, 2017 Listen Download
Ep. 442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal Mar 6, 2017 Listen Download
Ep. 441: Destroy and Rebuild, Pt. 5: Continental Drift Feb 27, 2017 Listen Download
Ep. 440: Destroy and Rebuild, Pt. 4: Supervolcanoes! Feb 20, 2017 Listen Download
Ep. 439: Destroy and Rebuild, Pt. 3: How Do We Terraform Earth? Feb 14, 2017 Listen Download
Ep. 438: Destroy and Rebuild, Pt. 2: Geoengineering Feb 6, 2017 Listen Download
Ep. 437: Destroy and Rebuild, Pt. 1: The Torino Scale Jan 30, 2017 Listen Download
Ep. 436: Common Misconceptions in Probability Jan 23, 2017 Listen Download
Ep. 435: The Butterfly Effect Jan 16, 2017 Listen Download
Ep. 434: Am I On An Alien World? Jan 9, 2017 Listen Download
Ep. 433: Volcanoes on Mars Jan 3, 2017 Listen Download
Ep. 432: Geoglogic Ages of Mars - From Wet and Wild to Desolate Desert Dec 26, 2016 Listen Download
Ep. 431: The Search for Life on Mars Dec 12, 2016 Listen Download
Ep. 430: Coming Home from Mars Dec 8, 2016 Listen Download
Ep. 429: Living on Mars Nov 28, 2016 Listen Download
Ep. 428: The Moons of Mars Nov 25, 2016 Listen Download
Ep. 427: Click Bait vs Clear Science Nov 7, 2016 Listen Download
Ep. 426: Confirmation Bias Oct 29, 2016 Listen Download
Ep. 425: Naming Spacecraft Oct 21, 2016 Listen Download
Ep. 424: Lightning Oct 17, 2016 Listen Download
Ep. 423: Cyclones Oct 11, 2016 Listen Download
Ep. 422: Geysers Oct 3, 2016 Listen Download
Ep. 421: Space Games! Sep 26, 2016 Listen Download
Ep. 420: FIRE! Sep 19, 2016 Listen Download
Ep. 419: DragonCon 2016 Live - Rocket Girls Sep 15, 2016 Listen Download
Ep. 418: Error 418 – I’m a Teapot! Jun 27, 2016 Listen Download
Ep. 417: Error 417: Expectation Failed Jun 20, 2016 Listen Download
Ep. 416: Fireballs from the Sky! Jun 13, 2016 Listen Download
Ep. 415: Temperature of the Universe May 30, 2016 Listen Download
Ep. 414: Navigating Far May 16, 2016 Listen Download
Ep. 413: Navigating Near May 9, 2016 Listen Download
Ep. 412: The Color of the Universe Apr 25, 2016 Listen Download
Ep. 411: Science of Sunset Colors Apr 18, 2016 Listen Download
Ep. 410: Planet 9 Facts and Fiction Apr 11, 2016 Listen Download
Ep. 409: Spin in the Universe Apr 4, 2016 Listen Download
Ep. 408: Universe Cannibalism Mar 28, 2016 Listen Download
Ep. 407: Galactic Cannibalism Mar 14, 2016 Listen Download
Ep. 406: Stellar Cannibalism Mar 7, 2016 Listen Download
Ep. 405: Method Not Found Feb 29, 2016 Listen Download
Ep. 404: The Difference Between: Can’t Know, Don’t Know, and Just Awaiting Better Tech Feb 22, 2016 Listen Download
Ep. 403: Funding Big Science: from Alma to LIGO to TMT Feb 15, 2016 Listen Download
Ep. 402: Gravity Eyes: See The Invisible With The Force Feb 8, 2016 Listen Download
Ep. 401: Future Predictions Feb 1, 2016 Listen Download
Ep. 400: The State of the Universe Jan 25, 2016 Listen Download
Ep. 399: Women in Science Jan 11, 2016 Listen Download
Ep. 398: Seeing Things: Emitting, Reflecting, Ionizing Light Jan 4, 2016 Listen Download
Ep. 397: A Universe From Nothing Dec 21, 2015 Listen Download
Ep. 396: Family Astronomy for the Holidays Dec 14, 2015 Listen Download
Ep. 395: Baryons and Beyond the Standard Model Dec 7, 2015 Listen Download
Ep. 394: The Standard Model - Bosons Dec 5, 2015 Listen Download
Ep. 393: The Standard Model, Leptons and Quarks Nov 30, 2015 Listen Download
Ep. 392: The Standard Model - Intro Nov 23, 2015 Listen Download
Ep. 391: Entrophy Nov 16, 2015 Listen Download
Ep. 390: Occam’s Razor and the Problem with Probabilities Nov 9, 2015 Listen Download
Ep. 389: Roundtable with Paul Sutter Oct 31, 2015 Listen Download
Ep. 388: Megastructures Oct 26, 2015 Listen Download
Ep. 387: Water on Mars… Again Oct 19, 2015 Listen Download
Ep. 386: Orbiting Observers Oct 12, 2015 Listen Download
Ep. 385: Rovers on the Run Oct 5, 2015 Listen Download
Ep. 384: Escaping Probes Sep 29, 2015 Listen Download
Ep. 383: Approaches to Absolute Zero Jul 7, 2015 Listen Download
Ep. 382: Degenerate Matter Jun 30, 2015 Listen Download
Ep. 381: Hollowing Asteroids in Science and Fiction Jun 23, 2015 Listen Download
Ep. 380: The Limits of Optics Jun 15, 2015 Listen Download
Ep. 379: Fermi's Atom Splitting Jun 15, 2015 Listen Download
Ep. 378: Rutherford and Atoms Jun 8, 2015 Listen Download
Ep. 377: Thomson finds Electron Jun 1, 2015 Listen Download
Ep. 376: The Miller-Urey Experiment May 18, 2015 Listen Download
Ep. 375: The Search For Life in the Solar System May 4, 2015 Listen Download
Ep. 374: Stern-Gerlach Experiment Apr 27, 2015 Listen Download
Ep. 373: Becquerel Experiment (Radiation) Apr 13, 2015 Listen Download
Ep. 372: The Millikan Oil Drop Apr 6, 2015 Listen Download
Ep. 371: Eddington Eclipse Experiment Mar 30, 2015 Listen Download
Ep. 370: The Kaufmann–Bucherer–Neumann Experiments Mar 23, 2015 Listen Download
Ep. 369: The Fizeau Experiment Mar 16, 2015 Listen Download
Ep. 368: Searching for the Aether Wind: the Michelson–Morley Experiment Feb 23, 2015 Listen Download
Ep. 367: Spitzer does Exoplanets Feb 16, 2015 Listen Download
Ep. 366: HARPS Spectrograph Feb 9, 2015 Listen Download
Ep. 365: Gaia Feb 2, 2015 Listen Download
Ep. 364: The COROT Mission Jan 26, 2015 Listen Download
Ep. 363: Where Did Earth's Water Come From? Jan 19, 2015 Listen Download
Ep. 362: Modern Women: Carolyn Porco Jan 12, 2015 Listen Download
Ep. 361: Modern Women: Maria Zuber Jan 5, 2015 Listen Download
Ep. 360: Modern Women: Jocelyn Bell Burnell Dec 29, 2014 Listen Download
Ep. 359: Modern Women: Margaret Geller Dec 15, 2014 Listen Download
Ep. 358: Modern Women: Sandra Faber Dec 8, 2014 Listen Download
Ep. 357: Modern Women: Vera Rubin Dec 1, 2014 Listen Download
Ep. 356: Rotational Inertia Nov 24, 2014 Listen Download
Ep. 355: Maker Space: 3D Printing Exploration Nov 17, 2014 Listen Download
Ep. 354: Comet Siding Spring vs. Mars Nov 10, 2014 Listen Download
Ep. 353: Seasons on Saturn Oct 20, 2014 Listen Download
Ep. 352: Water, Water Everywhere! Oct 6, 2014 Listen Download
Special Episode: Live from DragonCon 2014! Sep 29, 2014 Listen Download
Ep. 351: Asteroid Adventures Sep 22, 2014 Listen Download
Ep. 350: Space Ship One Jul 7, 2014 Listen Download
Ep. 349: Mercury 7 and How the US Picked the First Astronauts Jun 30, 2014 Listen Download
Ep. 348: Places with Numbers: 2 Independence Sq (NASA HQ) Jun 23, 2014 Listen Download
Ep. 347: Live from Balticon! Jun 9, 2014 Listen Download
Ep. 346: Numbered Places: Area 51 May 26, 2014 Listen Download
Ep. 345: Numbered Places: Launch Complex 39 May 19, 2014 Listen Download
Ep. 344: The Rings of Saturn May 5, 2014 Listen Download
Ep. 343: The Universe is Trying To Kill You Apr 28, 2014 Listen Download
Ep. 342: Sunsetting Spacecraft Apr 15, 2014 Listen Download
Ep. 341: 45th Lunar and Planetary Science Conference Apr 11, 2014 Listen Download
Ep. 340: Wernher von Braun Apr 7, 2014 Listen Download
Ep. 339: Space Conspiracy Theories Mar 31, 2014 Listen Download
Ep. 338: Copernicus Mar 24, 2014 Listen Download
Ep. 337: Photometry Mar 17, 2014 Listen Download
Ep. 336: Units of Measure Mar 10, 2014 Listen Download
Ep. 335:Photoelectric Effect Feb 24, 2014 Listen Download
Ep. 334: Chelyabinsk Feb 17, 2014 Listen Download
Ep. 333: When Worlds Collide Feb 10, 2014 Listen Download
Ep. 332: Stellar Collisions Feb 3, 2014 Listen Download
Ep. 331: Arthur C. Clarke’s Technologies Jan 27, 2014 Listen Download
Ep. 330: Arthur C. Clarke Jan 20, 2014 Listen Download
Ep. 329: Telescope Making, Part 3: Space Telescopes Jan 13, 2014 Listen Download
Ep. 328: Telescope Making, Part 2: Serious Gear Jan 6, 2014 Listen Download
Ep. 327: Telescope Making, Part 1: Toys and Kits Dec 30, 2013 Listen Download
Ep. 326: Atmospheric Dust Dec 23, 2013 Listen Download
Ep. 325: Cold Fusion Dec 18, 2013 Listen Download
Ep. 324: Sun Grazers Dec 9, 2013 Listen Download
Ep. 323: Isotopes Dec 3, 2013 Listen Download
Ep. 322: SOHO Nov 25, 2013 Listen Download
Ep. 321: Solar Flares Nov 18, 2013 Listen Download
Ep. 320: Layers of the Sun Nov 11, 2013 Listen Download
Ep. 319: The Zodiac Nov 4, 2013 Listen Download
Ep. 318: Escape Velocity Oct 28, 2013 Listen Download
Ep. 317: Observatories Oct 23, 2013 Listen Download
Ep. 316: Observational vs. Experimental Science Oct 14, 2013 Listen Download
Ep. 315: Particle Accelerators Oct 7, 2013 Listen Download
Ep. 314: Acceleration Jul 8, 2013 Listen Download
Ep. 313: Precession Jul 1, 2013 Listen Download
Ep. 312: Inverse-Square Law and Other Strangeness Jun 24, 2013 Listen Download
Ep. 311: Sound Jun 17, 2013 Listen Download
Ep. 309: Creating a Scienc-y Society Jun 3, 2013 Listen Download
Ep. 308: Climate Change May 27, 2013 Listen Download
Ep. 307: The Pacific Ring of Fire May 20, 2013 Listen Download
Ep. 306: Accretion Discs May 13, 2013 Listen Download
Ep. 305: The Spacecraft That Wouldn't Die May 6, 2013 Listen Download
Ep. 304: Death of a Spacecraft Apr 29, 2013 Listen Download
Ep. 303: Equilibrium Apr 22, 2013 Listen Download
Ep. 302: Planetary Motion in the Sky Apr 15, 2013 Listen Download
Ep. 301: Planetary Migration Apr 8, 2013 Listen Download
Ep. 300: What We've Learned in Almost 7 Years Apr 1, 2013 Listen Download
Ep. 299: Space Stations, Part 4 — Future Space Station Mar 25, 2013 Listen Download
Ep. 298: Space Stations, Part 3 — International Space Station Mar 18, 2013 Listen Download
Ep. 297: Space Stations, Part 2 — Mir Mar 11, 2013 Listen Download
Ep. 296: Space Stations, Part 1 — Salyut and Skylab Mar 4, 2013 Listen Download
Ep. 295: The Observable Universe Feb 18, 2013 Listen Download
Ep. 294: The Arecibo Observatory Feb 11, 2013 Listen Download
Ep. 293: Earthquakes Feb 11, 2013 Listen Download
Ep. 292: The Oort Cloud Feb 4, 2013 Listen Download
Ep. 291: Shockwaves Jan 28, 2013 Listen Download
Ep. 290: Failed Stars Jan 21, 2013 Listen Download
Ep. 289: Cherenkov Radiation Jan 14, 2013 Listen Download
Ep. 288: Phases of Matter Jan 7, 2013 Listen Download
Ep. 287: E=mc^2 Dec 31, 2012 Listen Download
Ep. 286: How to Debunk an End-of-the-World Myth Dec 24, 2012 Listen Download
Ep. 285: How the World Will Really End Dec 17, 2012 Listen Download
Ep. 284: Optics Dec 10, 2012 Listen Download
Ep. 283: Stellar Motion Dec 3, 2012 Listen Download
Ep. 282: Seasons Nov 26, 2012 Listen Download
Ep. 281: Explosions in Space Nov 19, 2012 Listen Download
Ep. 280: The Cosmological Constant Nov 12, 2012 Listen Download
Ep. 279: The Hubble Constant Nov 5, 2012 Listen Download
Ep. 278: Animals in Space Oct 29, 2012 Listen Download
Ep. 277: Orbit Oct 22, 2012 Listen Download
Ep. 276: XMM-Newton Oct 15, 2012 Listen Download
Ep. 275: Isaac Newton Oct 8, 2012 Listen Download
Ep. 274: Vesta Oct 1, 2012 Listen Download
Ep. 273: Solutions to the Fermi Paradox Sep 24, 2012 Listen Download
Ep. 272: Abiogenesis Sep 17, 2012 Listen Download
Ep. 271: Who Does What in Space and Astronomy Sep 10, 2012 Listen Download
Astronomy Cast at Dragon*Con 2012: Space Money Sep 3, 2012 Listen Download
Ep. 270: Inertia Jun 18, 2012 Listen Download
Ep. 269: Mass Jun 11, 2012 Listen Download
Ep. 268: Energy Jun 4, 2012 Listen Download
Ep. 267: Infinities May 28, 2012 Listen Download
Ep. 266: Archimedes May 21, 2012 Listen Download
Ep. 265: Arthur Eddington May 14, 2012 Listen Download
Ep. 264: Hazards of Spaceflight May 7, 2012 Listen Download
Ep. 263: Radioactive Decay Apr 30, 2012 Listen Download
Ep. 262: Solar Sails Apr 23, 2012 Listen Download
Ep. 261: Lasers and Masers in Astronomy Apr 16, 2012 Listen Download
Ep. 260: The Technology of Lasers and Masers Apr 9, 2012 Listen Download
Ep. 259: Exploration of Venus Apr 2, 2012 Listen Download
Ep. 258: Viking Landers Mar 26, 2012 Listen Download
Ep. 257: Viking Orbiters Mar 19, 2012 Listen Download
Ep. 256: Resolution Mar 12, 2012 Listen Download
Ep. 255: Observing Hydrogen Mar 5, 2012 Listen Download
Ep 254: Reflection and Refraction Feb 27, 2012 Listen Download
Ep. 253: Rayleigh Scattering Feb 20, 2012 Listen Download
Ep. 252: Heisenberg Uncertainty Principle Feb 13, 2012 Listen Download
Ep. 251: Messier Catalog Feb 6, 2012 Listen Download
Ep. 250: Precision Jan 30, 2012 Listen Download
Ep. 249: Schrödinger’s Cat Jan 23, 2012 Listen Download
Ep. 248: Carina Constellation Jan 16, 2012 Listen Download
Ep. 247: The Ages of Things Jan 9, 2012 Listen Download
Ep. 246: What If Something Was Different? Jan 2, 2012 Listen Download
Ep. 245: Calendars Dec 26, 2011 Listen Download
Ep. 244: Io Dec 19, 2011 Listen Download
Ep. 243: Tunguska Event Dec 12, 2011 Listen Download
Ep. 242: Torino Scale Dec 5, 2011 Listen Download
Ep. 241: Astrophotography, Part 3: Image Processing Nov 28, 2011 Listen Download
Ep. 240: Astrophotography, Part 2: Techniques Nov 21, 2011 Listen Download
Ep. 239: Astrophotography, Part 1: The Gear Nov 14, 2011 Listen Download
Ep. 238: Solar Activity Nov 7, 2011 Listen Download
Ep. 237: Spooky Space Sounds Oct 31, 2011 Listen Download
Ep. 236: Einstein Was Right Oct 24, 2011 Listen Download
Ep. 235: Einstein Oct 17, 2011 Listen Download
Astronomy Cast at Dragon*Con 2011: Strange Stuff in Space Oct 15, 2011 Listen Download
Ep. 234: Lunar Phases Oct 10, 2011 Listen Download
Ep. 233: Radar Oct 3, 2011 Listen Download
Ep. 232: Galileo Spacecraft Sep 26, 2011 Listen Download
Ep. 231: Galileo Galilei May 2, 2011 Listen Download
Ep. 230: Christiaan Huygens Apr 25, 2011 Listen Download
Ep. 229: Cassini Mission Apr 18, 2011 Listen Download
Ep. 228: Giovanni Cassini Apr 11, 2011 Listen Download
Ep. 227: The Big Dipper Apr 4, 2011 Listen Download
Ep. 226: Weather Mar 28, 2011 Listen Download
Ep. 225: Ice in Space Mar 21, 2011 Listen Download
Ep. 224: Orion Mar 14, 2011 Listen Download
Ep. 223: The Transit of Venus Mar 7, 2011 Listen Download
Ep. 222: The Decadal Survey Feb 28, 2011 Listen Download
Ep. 221: Geomorphology Feb 21, 2011 Listen Download
Ep. 220: Mass Extinction Events Feb 14, 2011 Listen Download
Ep. 219: Planck Mission Feb 7, 2011 Listen Download
Ep. 218: Max Planck Jan 31, 2011 Listen Download
Ep. 217: Stellar Classification Jan 24, 2011 Listen Download
Ep. 216: Archaeoastronomy Jan 17, 2011 Listen Download
Episode 215: Light Echoes Jan 10, 2011 Listen Download
Episode 214: Space Tourism Jan 3, 2011 Listen Download
Episode 213: Supermassive Black Holes Dec 27, 2010 Listen Download
Episode 211: Celestial Navigation Dec 13, 2010 Listen Download
Episode 210: Mars Exploration Rovers Dec 6, 2010 Listen Download
Episode 209: Exotic Life Nov 29, 2010 Listen Download
Episode 208: Spitzer Space Telescope Nov 22, 2010 Listen Download
Episode 207: Lyman Spitzer Nov 15, 2010 Listen Download
Episode 206: Fission Nov 8, 2010 Listen Download
Episode 205: Fusion Nov 1, 2010 Listen Download
Episode 204: Temperature Oct 25, 2010 Listen Download
Episode 203: Europa Oct 18, 2010 Listen Download
Episode 202: The Planets at Gliese 581 Oct 11, 2010 Listen Download
Episode 201: Titan Oct 4, 2010 Listen Download
Episode 200: The Mariner Program Sep 27, 2010 Listen Download
Episode 199: The Voyager Program Sep 20, 2010 Listen Download
Episode 198: How is a Space Mission Chosen? Sep 13, 2010 Listen Download
Ep. 197: Astronomy Cast Live from Dragon*Con 2010 Sep 6, 2010 Listen Download
Ep. 196: Luminosity and Magnitude Jun 28, 2010 Listen Download
Ep. 195: Planetary Rings Jun 21, 2010 Listen Download
Ep. 194: Dwarf Planets Jun 14, 2010 Listen Download
Ep. 193: Astronomy with the Unaided Eye Jun 7, 2010 Listen Download
Ep. 192: Chandra X-Ray Observatory May 31, 2010 Listen Download
Ep. 191: Chandrasekhar May 24, 2010 Listen Download
Ep. 190: Kepler Mission May 17, 2010 Listen Download
Ep. 189: Johannes Kepler and His Laws of Planetary Motion May 10, 2010 Listen Download
Ep. 188: The Future of Astronomy May 3, 2010 Listen Download
Ep. 187: History of Astronomy, Part 5: The 20th Century Apr 26, 2010 Listen Download
Ep. 186: History of Astronomy, Part 4: The Beginning of Modern Astronomy Apr 19, 2010 Listen Download
Ep. 185: History of Astronomy, Part 3: The Renaissance Apr 12, 2010 Listen Download
Ep. 184: History of Astronomy, Part 2: The Greeks Apr 5, 2010 Listen Download
Ep. 183: History of Astronomy, Part 1: The Ancient Astronomers Mar 29, 2010 Listen Download
Ep. 182: Astrometry Mar 22, 2010 Listen Download
Ep. 181: Rotation Mar 15, 2010 Listen Download
Ep. 180: Albedo Mar 8, 2010 Listen Download
Ep. 179: Mysteries of the Universe, Part 2 Mar 1, 2010 Listen Download
Ep. 178: Mysteries of the Universe, Part 1 Feb 22, 2010 Listen Download
Ep. 177: Mysteries of the Milky Way, Part 2 Feb 15, 2010 Listen Download
Ep. 176: Mysteries of the Milky Way, Part 1 Feb 8, 2010 Listen Download
Ep. 175: Mysteries of the Solar System, Part 2 Feb 1, 2010 Listen Download
Ep. 174: Mysteries of the Solar System, Part 1 Jan 25, 2010 Listen Download
Ep. 173: Herschel Space Observatory Jan 18, 2010 Listen Download
Ep. 172: William Herschel Jan 11, 2010 Listen Download
Ep. 171: Solar System Movements and Positions Jan 4, 2010 Listen Download
Ep. 170: Coordinate Systems Dec 28, 2009 Listen Download
Ep. 169: Fermi Mission Dec 21, 2009 Listen Download
Ep. 168: Enrico Fermi Dec 14, 2009 Listen Download
Ep. 167: Future Civilizations Dec 7, 2009 Listen Download
Ep. 166: Multiverses Nov 30, 2009 Listen Download
Ep. 165: Doppler Effect Nov 23, 2009 Listen Download
Ep. 164: Inside the Atom Nov 16, 2009 Listen Download
Ep. 163: Auroras Nov 9, 2009 Listen Download
Ep. 162: Edwin Hubble Nov 2, 2009 Listen Download
Ep. 161: Launch Facilities Oct 26, 2009 Listen Download
Ep. 160: Eclipses Oct 19, 2009 Listen Download
Ep. 159: Planet X Oct 12, 2009 Listen Download
Ep. 158: Pulsars Oct 5, 2009 Listen Download
Ep. 157: Constellations Sep 28, 2009 Listen Download
Ep. 156: Famous Stars Sep 21, 2009 Listen Download
Ep. 155: Dwarf Stars Sep 14, 2009 Listen Download
Ep. 154: Dragon*Con Live with Seth Shostak Sep 7, 2009 Listen Download
Ep. 153: Dark Skies Aug 31, 2009 Listen Download
Ep. 152: Binary Stars Aug 24, 2009 Listen Download
Ep. 151: Atmospheres Aug 17, 2009 Listen Download
Ep. 150: Telescopes, the Next Level Aug 10, 2009 Listen Download
Ep. 149: Constellation Program Aug 3, 2009 Listen Download
Ep. 148: Astronomy and New Media Jul 27, 2009 Listen Download
Ep. 147: How to Be Taken Seriously By Scientists Jul 20, 2009 Listen Download
Ep. 146: Astronomy Research from Idea to Publication Jul 13, 2009 Listen Download
Ep. 145: Interstellar Travel Jul 6, 2009 Listen Download
Questions Show: Imaging Extrasolar Planets, Infinite Universe, Inside a Black Hole Jul 2, 2009 Listen Download
Ep. 144: Space Elevators Jun 29, 2009 Listen Download
Questions Show: Matter Balance, Jumping Light Speed and Black Hole Star Formation Jun 25, 2009 Listen Download
Ep. 143: Astrobiology Jun 22, 2009 Listen Download
Questions Show: Black black holes, Unbalancing the Earth, and Space Pollution Jun 18, 2009 Listen Download
Ep. 142: Plate Tectonics Jun 15, 2009 Listen Download
Questions Show: Avoiding the Heat Death, Orbiting Galaxies, and the Dangers of Space Radiation Jun 11, 2009 Listen Download
Ep. 141: Volcanoes, Hot and Cold Jun 8, 2009 Listen Download
Questions Show: Galileoscope, Black Hole Time, and What Exactly is Energy? Jun 4, 2009 Listen Download
Ep. 140: Entanglement Jun 1, 2009 Listen Download
Questions Show: Telescope Suggestions, Black Hole Energy, and Universal Time May 28, 2009 Listen Download
Ep. 139: Energy Levels and Spectra May 25, 2009 Listen Download
Questions Show: An Unlocked Moon, Energy Into Black Holes, and the Space Station's Orbit May 21, 2009 Listen Download
Ep. 138: Quantum Mechanics May 18, 2009 Listen Download
Questions Show: Hidden Fusion, the Speed of Neutrinos, and Hawking Radiation May 14, 2009 Listen Download
Ep. 137: Large Scale Structure of the Universe May 11, 2009 Listen Download
Questions Show: The Source of Atmospheres, the Vanishing Moon, and a Glow After Sunset May 7, 2009 Listen Download
Ep. 136: Gamma Ray Astronomy May 4, 2009 Listen Download
Questions Show: Dangerous Solar Flares, Higgs Boson Insights, and Light Speed Flashlights Apr 30, 2009 Listen Download
Ep. 135: X-Ray Astronomy Apr 27, 2009 Listen Download
Questions Show: NorthEast Astronomy Forum (NEAF) Apr 23, 2009 Listen Download
Ep. 134: Ultraviolet Astronomy Apr 20, 2009 Listen Download
Ep. 133: Optical Astronomy Apr 13, 2009 Listen Download
Questions Show: Undoing Inflation, Searching for Water, and Seeing Everything a Black Hole's Ever Eaten Apr 9, 2009 Listen Download
Ep. 132: Infrared Astronomy Apr 6, 2009 Listen Download
Ep. 131: Submillimeter Astronomy Mar 30, 2009 Listen Download
Questions Show: Decelerating Black Holes, Earth-Sun Tidal Lock, and the Crushing Gravity of Dark Matter Mar 26, 2009 Listen Download
Ep. 130: Radio Astronomy Mar 23, 2009 Listen Download
Questions Show: Multiple Big Bangs, Satellite Collisions and the Size of the Universe Mar 12, 2009 Listen Download
Ep. 129: Interferometry Mar 9, 2009 Listen Download
Questions Show: Shooting Lasers at the Moon and Losing Contact with Rovers Mar 5, 2009 Listen Download
Ep. 128: Dust Mar 2, 2009 Listen Download
Ep. 127: The US Space Shuttle Feb 16, 2009 Listen Download
Ep. 126: From Skeptics Guide with Questions Feb 9, 2009 Listen Download
Ep. 125: A Zoo of Extrasolar Planets Feb 2, 2009 Listen Download
Questions Show: Moons and the Drake Equation, Stars in the Void, and Rings Around Stars Jan 22, 2009 Listen Download
Ep. 124: Space Capsules, Part 1 - Vostok, Mercury and Gemini Jan 19, 2009 Listen Download
Ep. 123: Homogeneity Jan 12, 2009 Listen Download
Ep. 122: How Old is the Universe Jan 5, 2009 Listen Download
Questions Show: Questions Show: Stellar Roche Limits, Seeing Black Holes, and Water on Mars Jan 1, 2009 Listen Download
Ep. 121: Spacesuits Dec 29, 2008 Listen Download
Ep. 120: The Christmas Star Dec 22, 2008 Listen Download
Questions Show: Different Fields of Astronomy, Our Sibling Stars, and Hidden Lagrange Points Dec 18, 2008 Listen Download
Ep. 119: Robots in Space Dec 15, 2008 Listen Download
Questions Show: Distance in Space, Changing Earth's Orbit, and Different Sized Stars Dec 11, 2008 Listen Download
Ep. 118: Sky Surveys Dec 8, 2008 Listen Download
Ep. 117: Time Dec 1, 2008 Listen Download
Ep. 116: Molecules in Space Nov 24, 2008 Listen Download
Ep. 115: The Moon, Part 3: Return to the Moon Nov 17, 2008 Listen Download
Questions Show: Spiral Arms, Seismic Waves on the Sun, and our Favorite Gear Nov 13, 2008 Listen Download
Ep. 114: The Moon, Part 2 - Exploration of the Moon Nov 10, 2008 Listen Download
Questions Show: Ice in Space, Expansion of the Universe, and Death from the Skies Nov 6, 2008 Listen Download
Ep. 113: The Moon, Part 1 Nov 3, 2008 Listen Download
Questions Show: Orbit of the Planets, Green Stars, and Oort Cloud Contamination Oct 30, 2008 Listen Download
Ep. 112: Death from the Skies, Interview with Phil Plait Oct 27, 2008 Listen Download
Questions Show: Relativity, Relativity and More Relativity Oct 23, 2008 Listen Download
Ep. 111: Nebulae Oct 20, 2008 Listen Download
Questions Show: Galactic Dust, the Speed of Photons, and the Big Bang Calculations Oct 19, 2008 Listen Download
Ep. 110: The Search for Extraterrestrial Intelligence Oct 13, 2008 Listen Download
Questions Show - Alignment with the Galactic Plane, Destruction from Venus, and the Death of the Solar System Oct 9, 2008 Listen Download
Ep. 109: The Life of Other Stars Oct 6, 2008 Listen Download
Questions Show - Running Out of Gravitons and Hitting the Brakes at Light Speed Oct 2, 2008 Listen Download
Ep. 108: The Life of the Sun Sep 29, 2008 Listen Download
Questions Show - light speed, Andromeda galaxy, dark matter and black holes Sep 26, 2008 Listen Download
Ep. 107: Nucleosynthesis: Elements from Stars Sep 22, 2008 Listen Download
Questions Show - Black Hole Surfaces, Magnetic Field Strengths, and the Speed of Gravitons Sep 18, 2008 Listen Download
Ep. 106: The Search for the Theory of Everything Sep 15, 2008 Listen Download
Student Questions Show: Leelanau School Sep 14, 2008 Listen Download
Ep. 105: The Strong and Weak Nuclear Forces Sep 8, 2008 Listen Download
Ep. 104: Science Fiction at Dragon*Con with Plait and Grazier Sep 1, 2008 Listen Download
Ep. 103: Electromagnetism Aug 25, 2008 Listen Download
Ep. 102: Gravity Aug 18, 2008 Listen Download
Ep. 101: Advanced Propulsion Systems Aug 11, 2008 Listen Download
Ep. 100: Rockets Aug 4, 2008 Listen Download
Ep. 99: The Milky Way Jul 28, 2008 Listen Download
Ep. 98: Quasars Jul 21, 2008 Listen Download
Ep. 97: Galaxies Jul 14, 2008 Listen Download
Ep. 96: Humans to Mars, Part 3 - Terraforming Mars Jul 7, 2008 Listen Download
Ep. 95: Humans to Mars, Part 2 - Colonists Jun 30, 2008 Listen Download
Ep. 94: Humans to Mars, Part 1 - The Scientists Jun 23, 2008 Listen Download
Ep. 93: Missions to Mars, Part 2 Jun 16, 2008 Listen Download
Ep. 92: Missions to Mars, Part 1 Jun 9, 2008 Listen Download
Ep. 91: The Search for Water on Mars Jun 2, 2008 Listen Download
Ep. 90: The Scientific Method May 26, 2008 Listen Download
Ep. 89: Adaptive Optics May 19, 2008 Listen Download
Ep. 88: The Hubble Space Telescope May 12, 2008 Listen Download
Ep. 87: The End of the Universe Part 2: The End of Everything May 5, 2008 Listen Download
Ep. 86: The End of the Universe Part 1: The End of the Solar System Apr 28, 2008 Listen Download
Ep. 85: Detectors Apr 21, 2008 Listen Download
Ep. 84: Getting Around the Solar System Apr 14, 2008 Listen Download
Ep. 83: Wave Particle Duality Apr 7, 2008 Listen Download
Ep. 82: Space Junk Mar 31, 2008 Listen Download
Ep. 81: Questions on the Shape Size and Centre of the Universe Mar 24, 2008 Listen Download
Ep. 80: Craters Mar 17, 2008 Listen Download
Ep. 79: How Big is the Universe? Mar 10, 2008 Listen Download
Ep. 78: What is the Shape of the Universe? Mar 3, 2008 Listen Download
Ep. 77: Where is the Centre of the Universe? Feb 25, 2008 Listen Download
Ep. 76: Lagrange Points Feb 18, 2008 Listen Download
Student Questions: Curtis High School Feb 16, 2008 Listen Download
Ep. 75: Stellar Populations Feb 11, 2008 Listen Download
Ep. 74: Antimatter Feb 4, 2008 Listen Download
Ep. 73: Questions Show #8 Jan 28, 2008 Listen Download
Ep. 72: Cosmic Rays Jan 21, 2008 Listen Download
Ep. 71: Gravitational Waves Jan 14, 2008 Listen Download
Ep. 70: How to Win a Nobel Prize Jan 7, 2008 Listen Download
Student Questions: Farmersburg School Jan 6, 2008 Listen Download
Episode 69: The Large Hadron Collider and the Search for the Higgs-Boson Dec 31, 2007 Listen Download
Episode 68: Globular Clusters Dec 24, 2007 Listen Download
Episode 67: Building a Career in Astronomy Dec 17, 2007 Listen Download
Episode 66: How Amateurs can contribute to Astronomy Dec 10, 2007 Listen Download
Episode 65: The End of Our Tour Through the Solar System Dec 3, 2007 Listen Download
Episode 64: Pluto and the Icy Outer Solar System Nov 26, 2007 Listen Download
Episode 63: Neptune Nov 19, 2007 Listen Download
Episode 62: Uranus Nov 12, 2007 Listen Download
Episode 61: Saturn's Moons Nov 5, 2007 Listen Download
Episode 60: Questions on Inflation Oct 29, 2007 Listen Download
Episode 59: Saturn Oct 22, 2007 Listen Download
Episode 58: Inflation Oct 15, 2007 Listen Download
Episode 57: Jupiter's Moons Oct 8, 2007 Listen Download
Episode 56: Jupiter Oct 1, 2007 Listen Download
Episode 55: The Asteroid Belt Sep 24, 2007 Listen Download
Episode 54: Questions Show #6 Sep 17, 2007 Listen Download
Episode 53: Astronomy in Science Fiction Sep 10, 2007 Listen Download
Special Episode: Panspermia Sep 4, 2007 Listen Download
Episode 52: Mars Sep 3, 2007 Listen Download
Episode 51: Earth Aug 27, 2007 Listen Download
Episode 50: Venus Aug 20, 2007 Listen Download
Episode 49: Mercury Aug 13, 2007 Listen Download
Episode 48: Tidal Forces Across the Universe Aug 6, 2007 Listen Download
Episode 47: Tidal Forces Jul 30, 2007 Listen Download
Episode 46: Stellar Nurseries Jul 23, 2007 Listen Download
Episode 45: The Important Numbers in the Universe Jul 16, 2007 Listen Download
Episode 44: Einstein's Theory of General Relativity Jul 9, 2007 Listen Download
Episode 43: Questions, Questions #5 Jul 2, 2007 Listen Download
Episode 42: Magnetism Everywhere Jun 25, 2007 Listen Download
Episode 41: The Rise of the Supertelescopes Jun 18, 2007 Listen Download
Episode 40: American Astronomical Society Meeting, May 2007 Jun 11, 2007 Listen Download
Episode 39: Astrology and UFOs Jun 4, 2007 Listen Download
Episode 38: Neutron Stars and their Exotic Cousins May 28, 2007 Listen Download
Episode 37: Gravitational Lensing May 21, 2007 Listen Download
Episode 36: Gamma-Ray Bursts May 14, 2007 Listen Download
Episode 35: Questions Show #4 May 7, 2007 Listen Download
Episode 34: Discovering Another Earth Apr 30, 2007 Listen Download
Episode 33: Choosing and Using a Telescope Apr 23, 2007 Listen Download
Episode 32: The Search for Neutrinos Apr 16, 2007 Listen Download
Episode 31: String Theory, Time Travel, White Holes, Warp Speed, Multiple Dimensions, and Before the Big Bang Apr 9, 2007 Listen Download
Episode 30: The Sun, Spots and All Apr 2, 2007 Listen Download
Episode 29: Asteroids Make Bad Neighbors Mar 26, 2007 Listen Download
Episode 28: What is the Universe Expanding Into? Mar 19, 2007 Listen Download
Episode 27: The Third Question Show Mar 12, 2007 Listen Download
Episode 26: The Biggest Structures in the Universe Mar 5, 2007 Listen Download
Episode 25: How Galaxies Form Feb 26, 2007 Listen Download
Episode 24: Fermi Paradox Feb 19, 2007 Listen Download
Episode 23: The Drake Equation Feb 12, 2007 Listen Download
Episode 22: Variable Stars Feb 5, 2007 Listen Download
Episode 21: Black Hole Questions Answered Jan 29, 2007 Listen Download
Episode 20: What We Learned from the American Astronomical Society Jan 22, 2007 Listen Download
Episode 19: Comets, Our Icy Friends from the Outer Solar System Jan 15, 2007 Listen Download
Episode 18: Black Holes Big and Small Jan 8, 2007 Listen Download
Episode 17: Where does the Moon Come From? Jan 1, 2007 Listen Download
Episode 16: Across the Electromagnetic Spectrum Dec 25, 2006 Listen Download
Episode 15: Listener Questions Answered Dec 18, 2006 Listen Download
Episode 14: We're All Made of Supernovae Dec 11, 2006 Listen Download
Episode 13: Where do stars go when they die? Dec 4, 2006 Listen Download
Episode 12: Where Do Baby Stars Come From? Nov 27, 2006 Listen Download
Episode 11: A Universe of Dark Energy Nov 20, 2006 Listen Download
Episode 10: Measuring Distance in the Universe Nov 13, 2006 Listen Download
Episode 9: Einstein's Theory of Special Relativity Nov 6, 2006 Listen Download
Episode 8: Meteor Showers. Yes, the sky is falling. Oct 30, 2006 Listen Download
Episode 7: Getting Started in Amateur Astronomy Oct 23, 2006 Listen Download
Episode 6: More Evidence for the Big Bang Oct 16, 2006 Listen Download
Episode 5: The Big Bang and Cosmic Microwave Background Oct 9, 2006 Listen Download
Episode 4: The Search for Dark Matter Oct 2, 2006 Listen Download
Episode 3: Hot Jupiters and Pulsar Planets Sep 25, 2006 Listen Download
Episode 2: In Search of Other Worlds Sep 18, 2006 Listen Download
Episode 1: Pluto's Planetary Identity Crisis Sep 11, 2006 Listen Download

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