Visiting the Earth-Like Worlds of TRAPPIST-1

Visiting the Earth-Like Worlds of TRAPPIST-1

We have begun to understand the composition of worlds that are hundreds of trillions of kilometers from Earth. Astronomer Nikole Lewis is co-leader of a team that has used the Hubble Space Telescope to do this with the four Earth-like planets circling a star called TRAPPIST-1. Host Mat Kaplan talks with Digital Editor Jason Davis about a new probe designed to discover thousands of additional exoplanets. Want to win a Planetary Radio t-shirt? Answer this week’s space trivia question posed by Planetary Society Chief Scientist Bruce Betts. Learn more about this week’s topics and see images here: http://www.planetary.org/multimedia/planetary-radio/show/2018/0411-nikole-lewis-trappist-worlds.htmlLearn more about your ad choices. Visit megaphone.fm/adchoices

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Episoder(1316)

Space science and the Artemis Accords: Highlights from the 2025 H2M2 Summit

Space science and the Artemis Accords: Highlights from the 2025 H2M2 Summit

Recorded at the 2025 Humans to the Moon and Mars Summit (H2M2) in Washington, D.C., this episode features two powerful conversations about the future of human space exploration. Hosted by Mat Kaplan, ...

2 Jul 20251h 9min

Space Policy Edition: NASA’s 2026 budget

Space Policy Edition: NASA’s 2026 budget

Alicia Brown from the Commercial Space Federation and Brittany Webster from the American Geophysical Union join the show to discuss NASA’s fiscal year 2026 budget proposal, which aims to slash the age...

27 Jun 20251h 7min

The Giant Magellan Telescope takes its next big step

The Giant Magellan Telescope takes its next big step

The Giant Magellan Telescope (GMT) is poised to become one of the most powerful ground-based observatories ever built. On June 12, 2025, the U.S. National Science Foundation announced that the GMT wil...

25 Jun 20251h

The human stories behind the science: Dava Sobel receives the Cosmos Award

The human stories behind the science: Dava Sobel receives the Cosmos Award

Few writers have captured the wonder of science through storytelling as powerfully as Dava Sobel. In this episode, we celebrate her remarkable career and her recent honor as the recipient of The Plane...

18 Jun 20251h 2min

Making space matter: A space journalist’s journey

Making space matter: A space journalist’s journey

What does it take to turn a love of space into a global career in science journalism? Sarah Cruddas has done just that. With a background in astrophysics and a passion for storytelling, she’s become a...

11 Jun 202556min

Space Policy Edition: What does NASA need with an economist?

Space Policy Edition: What does NASA need with an economist?

Former NASA Chief Economist Akhil Rao explains why NASA needs economic expertise to navigate the complex—and often misunderstood—market forces that will determine the success or failure of its private...

6 Jun 20251h 14min

The dark age of NASA science? Analyzing the FY 2026 budget proposal

The dark age of NASA science? Analyzing the FY 2026 budget proposal

The White House has released its Fiscal Year 2026 congressional budget justification for NASA, and the implications are staggering. If enacted, this proposal would slash NASA’s science program funding...

4 Jun 202559min

Volcanic worlds across the Solar System

Volcanic worlds across the Solar System

Volcanoes aren’t just an earthly phenomenon. They’re found all across the Solar System. In this compilation episode of Planetary Radio, we explore volcanic and geothermal activity on planets, moons, a...

28 Mai 202556min

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