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Planetary Radio Episodes

For every week since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate or writer who provides a unique perspective on the quest for knowledge about our solar system and beyond. We also showcase regular features that raise your space IQ while they put a smile on your face.

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Amateur Astronomers Work To Save Earth From Asteroids!

March 14, 2018 • 36:35

Seven astronomers have been selected to receive Shoemaker NEO (Near Earth Object) grants from the Planetary Society. They and their observatories span the planet. We’ll meet an American and an Australian. Society Chief Scientist Bruce Betts provides an overview of the grant program and later returns for this week’s edition of What’s Up. The Planetary Society’s Kate Howells reports on the outlook for space funding in Canada’s newly-released federal budget. She and Society CEO Bill Nye also met with Prime Minister Justin Trudeau.

Pamela Gay and the Image Detective

October 18, 2017 • 38:43

Astronomer Pamela Gay tells us how anyone can work with images of Earth taken by astronauts, turning them into terrific scientific resources.

Keith Cowing and the ISEE-3 Rebooters

July 22, 2014 • 28:50

They have generated excitement, enthusiasm and support throughout the world. The ISEE-3 Reboot Project has succeeded in gaining control over the 36-year old spacecraft, but will they be able to move it?

A 2014 Preview From Emily Lakdawalla

January 06, 2014 • 28:50

24 spacecraft are either busy exploring the solar system or speeding toward an exciting destination. The Planetary Society's Senior Editor takes us on a whirlwind advance tour.

Tim Spahr of the Minor Planet Center

July 08, 2013 • 28:50

There’s a place to go when you find a space rock headed our way, or headed any which way. Tim Spahr directs the Minor Planet Center, the global clearinghouse for all information about asteroids, comets and other relatively small bodies like moons.

One In A Million!

February 25, 2013 • 37:45

UC Berkeley SETI researcher Andrew Siemion and his colleagues have put an upper limit on the number of civilizations in our galaxy that are capable of giving us a call. He’ll explain their reasoning and provide other search updates.

Listening Once Again to Amateur Astronomy Pioneer John Dobson

January 07, 2013 • 28:50

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.

Celebrating 35 Years of the Voyager Mission

September 17, 2012 • 28:50

Voyagers 1 and 2 just reached 35 years of travel in space. What a great reason to celebrate! Join Voyager Project Scientist Ed Stone, Ann Druyan, Emily Lakdawalla and Robert Picardo in this special live edition of our show. Bill Nye reports on a separate celebration in London and on the International Space Station, and Bruce Betts is back in fine form with Mat Kaplan for this week’s What’s Up.

A Conversation With Telescope Inventor John Dobson

September 10, 2012 • 28:50

When John Dobson invented the Dobsonian telescope he changed the face of amateur astronomy. The 96-year old pioneer talks with Mat Kaplan. Emily Lakdawalla loves Curiosity’s self-portraits. Bill Nye the Science Guy is in London to host a youth webcast with International Space Station astronaut Sunita Williams. Bruce Betts keeps us from getting Lost in Space and helps Mat give away a cool Curiosity bumper sticker in What’s Up.

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