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

See omnystudio.com/listener for privacy information.

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Episoder(1308)

Phoenix is on its way to Mars

Phoenix is on its way to Mars

Phoenix is on its way to MarsLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

6 Aug 200728min

Phoenix Mars Lander Principal Investigator Peter Smith

Phoenix Mars Lander Principal Investigator Peter Smith

Phoenix Mars Lander Principal Investigator Peter SmithLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

30 Jul 200728min

Honoring Ray Bradbury, Mars Photographer

Honoring Ray Bradbury, Mars Photographer

Honoring Ray Bradbury, Mars PhotographerLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

23 Jul 200728min

The 7th International Conference on Mars

The 7th International Conference on Mars

500 members of Earth's Mars appreciation club gathered at CalTech in Pasadena, California last week. Scientists presented the latest research on Mars.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

16 Jul 200728min

A New Dawn for Interplanetary Exploration

A New Dawn for Interplanetary Exploration

A New Dawn for Interplanetary ExplorationLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

2 Jul 200728min

Going South to Look for ET

Going South to Look for ET

Going South to Look for ETLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

25 Jun 200728min

Are There Giant Caves on Mars?

Are There Giant Caves on Mars?

Are There Giant Caves on Mars?Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

18 Jun 200728min

Amateur Astronomers on the Lookout for Near Earth Objects

Amateur Astronomers on the Lookout for Near Earth Objects

Amateur Astronomers on the Lookout for Near Earth ObjectsLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

11 Jun 200728min

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