How to Defend Your Planet

Planetary scientist Vishnu Reddy studies space objects ranging from satellite debris to planet-killing asteroids. He shares the status of our effort to avoid the fate of the dinosaurs in a conversation with host Mat Kaplan. Did you know fruit flies were first in space? That’s just one of the random space facts you’ll absorb in this week’s What’s Up segment with Bruce. Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0925-2019-vishnu-reddy-planetary-defense.html

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Episoder(1312)

Could the Soviet Union Have Won the Space Race?

Could the Soviet Union Have Won the Space Race?

Space historian and policy expert John Logsdon joins Mat Kaplan for a fascinating conversation about how the US could have lost the race to the moon.Learn more about your ad choices. Visit megaphone.f...

23 Aug 201646min

Sailing the Canyons of Titan

Sailing the Canyons of Titan

Steep canyons on Saturn's moon Titan are filled with liquid methane. That's the discovery just announced by an international team of Cassini scientists, including Alex Hayes.Learn more about your ad c...

16 Aug 201638min

Subcontractors: Making Space Happen

Subcontractors: Making Space Happen

You may never hear their names, but there are thousands of small to medium-sized companies without which space exploration and development wouldn’t happen.Learn more about your ad choices. Visit megap...

9 Aug 201628min

Space Policy Edition #3: Plutonium-238, Europa via SLS, Cost of the Next Mars Rover Rises

Space Policy Edition #3: Plutonium-238, Europa via SLS, Cost of the Next Mars Rover Rises

In our third episode, we debate the risks and rewards of tying the future of a Europa mission to the fate of NASA's massive Space Launch System rocket. Also, NASA just announced that the next Mars rov...

5 Aug 20161h 3min

Interstellar Dreams Turn Real

Interstellar Dreams Turn Real

Philip Lubin and his former student Travis Brashears have had quite a year. Their bold plan to send tiny probes to nearby stars is now supported by NASA and the Breakthrough Starshot $100 million doll...

2 Aug 20161h 26min

Anatomy of a Rover—Getting Down to Mars

Anatomy of a Rover—Getting Down to Mars

It takes a lot of terrific components to create a successful spacecraft like Curiosity, the Mars Science Laboratory. We’ll visit JPL to learn about the Terminal Descent Sensor radar that will once aga...

26 Jul 201636min

The Eagle Has Landed: Remembering Neil Armstrong

The Eagle Has Landed: Remembering Neil Armstrong

We celebrate the 47th anniversary of the first moon landing with the reprise of a conversation with author and NBC space reporter Jay Barbree about his trusted friend Neil Armstrong.Learn more about y...

19 Jul 201628min

Juno Reaches Jupiter!

Juno Reaches Jupiter!

Return with us to the evening of July 4, 2016 and the exciting arrival at Jupiter of the Juno orbiter. You’ll hear the moment of successful orbital insertion. Several of the mission’s key contributors...

12 Jul 201648min

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