Ripples on the Cosmic Ocean

Ripples on the Cosmic Ocean

What happens in space doesn’t stay in space. Historian Dagomar Degroot joins Planetary Radio host Sarah Al-Ahmed to explore how shifting solar cycles, volcanic eruptions on Venus, Martian dust storms, and even mistaken sightings of lunar forests have influenced life, science, and society on Earth. His new book, “Ripples on the Cosmic Ocean: An Environmental History of Our Place in the Solar System,” reframes the Solar System as part of our cosmic environment, one that has shaped humanity’s past and will define our future.

Then, Planetary Society Director of Government Relations Jack Kiraly updates us on the latest developments in space policy, including the ongoing search for NASA’s next administrator and proposed changes to the Artemis program’s launch vehicles. And stick around for Bruce Betts, The Planetary Society’s chief scientist, in What’s Up.

Discover more at: https://www.planetary.org/planetary-radio/2025-ripples-on-the-cosmic-ocean

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Episoder(1330)

Opportunity Lands and Hope Builds for Spirit

Opportunity Lands and Hope Builds for Spirit

We celebrate the perfect landing of Mars Exploration Rover Opportunity with special guest Rob Manning, plus lots more, including two more Student Astronauts, and a "name that outcropping" contest from...

26 Jan 200434min

The First Student Astronauts Arrive

The First Student Astronauts Arrive

The First Student Astronauts ArriveLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information...

12 Jan 200428min

Spirit Lands on Mars!

Spirit Lands on Mars!

Follow the incredibly exciting and finally triumphant arrival on Mars of the Mars Exploration Rover as it happened at Wild About Mars, the Planetary Society's big weekend event at the Pasadena Convent...

5 Jan 200430min

Columbia's Aftermath: "Butterfly on a Bullet"

Columbia's Aftermath: "Butterfly on a Bullet"

Columbia's Aftermath: Butterfly on a Bullet""Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy i...

29 Des 200328min

Steve Squyres Is Ready for Mars

Steve Squyres Is Ready for Mars

Doctor Steven Squyres talks about the challenges, human and robotic, facing the Mars Exploration Rover mission; Emily Lakdawalla is watching for shooting stars...on Mars, and Bruce Betts and Mat Kapla...

22 Des 200327min

Mars Exploration Rover Update

Mars Exploration Rover Update

Planetary Radio gets a Mars Exploration Rover status report from Deputy Project Scientist, Dr. Albert Haldemann; Emily Lakdawalla can tell how old a planet is from its surface.Learn more about your ad...

15 Des 200330min

Women in Space

Women in Space

Women in SpaceLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

8 Des 200330min

A Wes Huntress Encore for the Beginning of Our Second Season

A Wes Huntress Encore for the Beginning of Our Second Season

A Wes Huntress Encore for the Beginning of Our Second SeasonLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listene...

1 Des 200328min

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