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Planetary Radio

Planetary Radio

Each week, Planetary Radio visits with a scientist, engineer, project manager, astronaut, advocate or writer who provides a unique and exciting perspective on the exploration of our solar system and beyond. We also showcase regular features that raise your space IQ while they put a smile on your face.  Host Mat Kaplan is joined by Planetary Society colleagues Bill Nye the Science Guy, Bruce Betts, and Emily Lakdawalla. We hit the road now and then to produce a Planetary Radio Live show in front of an audience.  Drop us a line or enter the weekly space trivia contest at planetaryradio@planetary.org.

Please support your local public radio station that airs the show! Check the station's online schedule or review our online list of affiliates. Satellite radio listeners can hear us Sunday evenings on the Sirius XM Public Radio channel.  Want to hear Planetary Radio on your local station? Ask them to contact us or review our radio affiliate information page.

iTunes and other podcast aggregators like Stitcher make it easy to listen and subscribe. Just search for "Planetary Radio." or click the links below.

Subscribe: Planetary Radio: Space Exploration, Astronomy and Science Standard RSS Feed

Recent Shows

2012 DA14--Coming Soon to a Planet Near You!

02/11/2013 | 28:50

Guests

  • Amy Mainzer, NEOWISE Principal Investigator, Jet Propulsion Lab
  • Timothy Spahr, Director, Minor Planet Center, Harvard-Smithsonian Center for Astrophysics
  • Lindley Johnson, Near Earth Object Programs Executive, NASA
  • Edward Beshore, OSIRIS REx Deputy Principal Investigator, University of Arizona, Tucson

The 45-meter Near Earth Asteroid flies by on February 15. NASA brought together asteroid experts to discuss it and others of its threatening kind.

More Info & Listen »

An Imminent Asteroid Encounter

02/04/2013 | 28:50

Spain’s La Sagra Observatory discovered Asteroid 2012 DA14 just a year ago. Now it’s nearing Earth once again. Jaime Nomen of La Sagra is back to prepare us for this very close flyby.

More Info & Listen »

Debra Fischer Hunts for a Second Earth at Alpha Centauri

01/28/2013 | 28:53

Guests

Yale Professor of Astronomy Debra Fischer is one of our planet’s most successful discoverers of exoplanets. She has set her sights on Alpha Centauri, where she hopes to find a Earth-sized world in the habitable zone: not too hot, not too cold for life.

More Info & Listen »

The Gigantic ALMA Radio Telescope in Chile

01/21/2013 | 28:50

Guests

  • Alison Peck, Former ALMA Commissioning Scientists Team Leader, National Radio Astronomy Observatory
  • Al Wooten, North American Project Scientist and head of the North American ALMA Science Center, National Radio Astronomy Observatory

ALMA will make sharper images than the Hubble Space Telescope, yet it’s a radio telescope! ALMA scientists Alison Peck and Al Wooten tell us about this array of 66 huge dishes in Chile’s Atacama desert.

More Info & Listen »

Visiting the AAS Meeting for a JWST Update and More

01/14/2013 | 52:37

Guests

  • Jason Kalirai, Deputy Project Scientist, James Webb Space Telescope, Space Telescope Science Institute
  • Dean C. Hines, Scientist, Space Telescope Science Institute

The 221st meeting of the American Astronomical Society was a great place to learn about the James Webb Space Telescope from Jason Kalirai and Dean C. Hines.

More Info & Listen »

Listening Once Again to Amateur Astronomy Pioneer John Dobson

01/07/2013 | 28:50

Guests

  • John Dobson, Astronomer and designer of telescopes, The Sidewalk Astronomers

A reprise of our very popular conversation with the delightful 97-year old John Dobson, inventor of the Dobsonian telescope that brings the universe within everyone’s reach.

More Info & Listen »

First Earth-Sized Exoplanet is Next Door!

12/10/2012 | 28:50

Guests

Xavier Dumusque is the young astronomer who was lead author for the announcement of the first exoplanet found in the Alpha Centauri system, just 4.3 light years from Earth. It's also the first Earth-sized world found outside our own system.

More Info & Listen »

Amazing Science at the 2012 DPS Meeting

10/22/2012 | 28:50

Guests

  • Heidi Hammel, Vice President of the Board of Directors, The Planetary Society
  • Jim Bell, President of the Board of Directors, The Planetary Society
  • Rosaly Lopes, Planetary Scientist and Leading Volcanologist, Jet Propulsion Laboratory
  • William Hartmann, Planetary scientist, author, and artist
  • Bill Borucki, Kepler Principal Investigator
  • Alan Stern, New Horizons Principal Investigator, Johns Hopkins University Applied Physics Laboratory

The 44th Annual Meeting of the AAS Division of Planetary Sciences hosted hundreds of researchers and revealed volumes of scientific results. Join us at the conference.

More Info & Listen »

Amateur Astronomers Work to Save Earth!

10/15/2012 | 28:50

Guests

The Planetary Society's Bruce Betts provides an overview of the Shoemaker NEO grant program, and we meet two dedicated grant recipients.

More Info & Listen »

Exploring the XDF, The Deepest Image of Our Universe, With Garth Illingworth

10/08/2012 | 28:50

Guests

UC Santa Cruz astronomer and XDF Principal Investigator Garth Illingworth takes us on a tour of this magnificent new image.

More Info & Listen »

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