‘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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See omnystudio.com/listener for privacy information.

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We Know Where the 2020 Rover Will Look for Martian Life

We Know Where the 2020 Rover Will Look for Martian Life

NASA announced on November 19th that the multi-billion dollar 2020 Mars rover will land in Jezero crater, where it will begin the search for the signature of past life. The selection process took five...

21 Nov 201842min

Space Policy Edition: After the Midterms—Looking Ahead with Marcia Smith

Space Policy Edition: After the Midterms—Looking Ahead with Marcia Smith

The counting continues as we publish this month’s special episode, with a handful of seats in the US Senate and House still up for grabs.  But with the Democratic takeover of the House assured, and se...

16 Nov 201850min

Moon Mission 3D from Queen Guitarist Brian May and David Eicher

Moon Mission 3D from Queen Guitarist Brian May and David Eicher

You haven’t seen the best pictures from the Apollo era and other great space achievements till you’ve seen them in 3D.  Queen guitarist and astrophysicist Brian May is also mad about stereoscopic imag...

14 Nov 201835min

Where Do We Come From? – Exploring the Origins of Life Lab

Where Do We Come From? – Exploring the Origins of Life Lab

They may be the most important questions in all of science: Where do we come from?  Are we alone? Researchers Ralph Pudritz and Maikel Rheinstadter are working on these puzzles with their new Planetar...

7 Nov 201838min

Celebrating Kepler

Celebrating Kepler

The Kepler mission has ended.  Listen to highlights of the October 30th media briefing that included the father of the fantastically successful planet finder, William Borucki.  Then catch the thoughts...

31 Okt 201843min

Sailing to an Asteroid on the Light of the Sun

Sailing to an Asteroid on the Light of the Sun

LightSail 2 is not the only solar sail in the universe. NASA’s Marshall Space Flight Center and the Jet Propulsion Lab are preparing to send NEA Scout on a long, light-propelled journey to a near Eart...

24 Okt 201849min

Back to Saturn for Brand New Cassini Science

Back to Saturn for Brand New Cassini Science

Our most frequent guest returns with exciting, just-published research enabled by the 20-year mission’s enormous success. Linda Spilker has served as Cassini Project Scientist for 8 years, and was Dep...

17 Okt 201836min

Celebrating Astronomy Day with the Giant Magellan Telescope

Celebrating Astronomy Day with the Giant Magellan Telescope

Happy Astronomy Day, October 13, 2018!  We salute humankind’s long history of stargazing by checking in on what will be our planet’s largest telescope. Patrick McCarthy is an astronomer and a leader o...

10 Okt 20181h

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