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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Confirmed: Water Was on Mars!

Confirmed: Water Was on Mars!

Confirmed: Water Was 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.

8 Maalis 200426min

Jim Bell, The Pancam Man!

Jim Bell, The Pancam Man!

Planetary Radio talks with the developer of the Pancam on the Mars Exploration Rovers, Jim Bell. We also feature the last pair of Student Astronauts, and another visit with Astrobots Biff Starling and...

1 Maalis 200429min

RATs, Astrobots, and a Six Iron on the Moon!

RATs, Astrobots, and a Six Iron on the Moon!

RATs, Astrobots, and a Six Iron on the Moon!Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy in...

23 Helmi 200426min

Stardust Status Report

Stardust Status Report

Stardust Status ReportLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

16 Helmi 200430min

The Astrobots are Back on Our Show!

The Astrobots are Back on Our Show!

After a long hiatus, Biff Starling and Sandy Moondust return to the air. You'll also hear from Mars Exploration Rover Entry, Descent and Landing Chief Engineer Wayne Lee, and from two more of the Stud...

9 Helmi 200426min

Mars Exploration Rover Flight Director Chris Lewicki

Mars Exploration Rover Flight Director Chris Lewicki

Opportunity is on a roll and Spirit is almost back to full health as we visit with the young Flight Director for the mission. We also hear from two more of the Student Astronauts.Learn more about your...

2 Helmi 200429min

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 Tammi 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 Tammi 200428min

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