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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Jaksot(1305)

Getting Ready for Titan with Chris McKay

Getting Ready for Titan with Chris McKay

Getting Ready for Titan with Chris McKayLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

25 Loka 200428min

A Conversation With Jet Propulsion Lab Director Charles Elachi

A Conversation With Jet Propulsion Lab Director Charles Elachi

A Conversation With Jet Propulsion Lab Director Charles ElachiLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

18 Loka 200428min

A Special Planetary Radio: SpaceShipOne Wins the X Prize!

A Special Planetary Radio: SpaceShipOne Wins the X Prize!

A Special Planetary Radio: SpaceShipOne Wins the X Prize!Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

11 Loka 200428min

Former Soviet Space Program Director Roald Sagdeev on the Sputnik 1 Anniversary

Former Soviet Space Program Director Roald Sagdeev on the Sputnik 1 Anniversary

Former Soviet Space Program Director Roald Sagdeev on the Sputnik 1 AnniversaryLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

4 Loka 200428min

Amateur Astronomers Work to Save the Planet

Amateur Astronomers Work to Save the Planet

Amateur Astronomers Work to Save the PlanetLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

27 Syys 200428min

SETI@Home Chief Scientist Dan Werthimer Says Sorry, Wrong Number

SETI@Home Chief Scientist Dan Werthimer Says Sorry, Wrong Number

SETI@Home Chief Scientist Dan Werthimer Says Sorry, Wrong NumberLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

20 Syys 200428min

Genesis Rises From the Ashes/Planetary Protection

Genesis Rises From the Ashes/Planetary Protection

Genesis Rises From the Ashes/Planetary ProtectionLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

13 Syys 200428min

Billions of Earths?

Billions of Earths?

Billions of Earths?Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

6 Syys 200428min

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