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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Emily Calandrelli becomes the hundredth woman in space

Emily Calandrelli becomes the hundredth woman in space

This week, we celebrate a remarkable milestone as Emily Calandrelli, also known as “the Space Gal,” becomes the 100th woman to venture into space. Emily shares her experiences on the Blue Origin voyag...

8 Tammi 202555min

Space Policy Edition: The Challenges of Change at NASA

Space Policy Edition: The Challenges of Change at NASA

How does change happen within NASA, and what prevents it? Marcia Smith, founder of Space Policy Online, joins the show to discuss the opportunities and pitfalls faced by incoming presidential administ...

3 Tammi 20251h 8min

The Planetary Society’s 45th anniversary with Bill Nye

The Planetary Society’s 45th anniversary with Bill Nye

Planetary Radio kicks off The Planetary Society's 45th anniversary year with CEO, Bill Nye. Bill reflects on the organization's first forty-five years and what humanity has learned about space in that...

1 Tammi 202552min

Looking back on 2024

Looking back on 2024

The Planetary Society team reviews the best space moments of 2024, from the China National Space Administration's return of samples from the far side of the Moon to the triumphant launch of NASA's Eur...

25 Joulu 202459min

Mars “spiders” recreated in the lab

Mars “spiders” recreated in the lab

Lauren Mc Keown, a postdoctoral fellow at NASA's Jet Propulsion Laboratory, discusses her experiences recreating Martian araneiform terrain, also called Mars spiders, in the lab. Latif Nasser, the co-...

18 Joulu 202459min

Space Policy Edition: The Myth of Presidential Leadership

Space Policy Edition: The Myth of Presidential Leadership

For over half a century, space advocates and presidents alike have tried to recreate the JFK moment of calling on the country to send a man to Moon — but is this a mistake? The classic book Spacefligh...

13 Joulu 202447min

StarTalk with Bill Nye and Neil deGrasse Tyson

StarTalk with Bill Nye and Neil deGrasse Tyson

We take you to Planetary Society headquarters, where Neil deGrasse Tyson, astrophysicist and host of StarTalk, interviews Planetary Society CEO Bill Nye about the organization's 45-year history of emp...

11 Joulu 202458min

A hundred weeks in space exploration

A hundred weeks in space exploration

Sarah Al-Ahmed, the host of Planetary Radio, marks her 100th episode with a look back at the defining moments of the past 100 weeks of space exploration. We'll revisit previous Planetary Radio intervi...

4 Joulu 202459min

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