‘Oumuamua: Avi Loeb says it may have been artificial

‘Oumuamua: Avi Loeb says it may have been artificial

Could the first object shown to have originated outside our solar system be a light sail built by an alien civilization? That’s the very controversial hypothesis put forward by distinguished Harvard astrophysicist Avi Loeb in his new book Extraterrestrial. The book is about much more than ‘Oumuamua, and so is Avi’s conversation with Mat Kaplan. Bill Nye pays tribute to a fallen member of The Planetary Society’s space family, and the biggest coincidence in the history of Planetary Radio surfaces during What’s Up.There’s more to discover, including a link to Planetfest ’21, at https://www.planetary.org/planetary-radio/0127-2021-avi-loeb-extraterrestrial

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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 inform...

23 Juli 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....

16 Juli 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 infor...

2 Juli 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 Juni 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 Juni 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 f...

11 Juni 200728min

Digging for Dollars on the Moon:  The Lunar Regolith Challenge

Digging for Dollars on the Moon: The Lunar Regolith Challenge

Special coverage of NASA's Lunar Regolith Challenge, with robot excavators after a $250,000 prize.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy ...

4 Juni 200728min

New Horizons at Jupiter: A Report From Alan Stern

New Horizons at Jupiter: A Report From Alan Stern

New Horizons at Jupiter: A Report From Alan SternLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for priva...

28 Maj 200728min

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