Visiting the Earth-Like Worlds of TRAPPIST-1

Planetary Radio: Space Exploration, Astronomy and Science

The Planetary Society

Technology, Science

4.8 • 1.4K Ratings

🗓️ 11 April 2018

⏱️ 31 minutes

🔗️ Recording | iTunes | RSS

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Summary

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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Transcript

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0:00.0	The Earth-like worlds of Trappist One, this week on planetary radio.
0:07.0	Welcome, I'm at Kaplan of the Planetary Society with more of the human adventure across our
0:15.2	solar system and beyond.
0:17.4	Nicole Lewis co-leads a team of astronomers and planetary scientists that has
0:22.4	sniffed the air surrounding planets
0:25.1	that are 40 light years away. It's an astounding accomplishment but there's even
0:29.6	better to come as she'll tell us today. It's a big week in space history as you'll hear
0:34.4	from Bruce Betts in our what's up segment among other things. Happy Global
0:39.0	Astronomy Month. GAM is well underway with events and activities available all over our planet.
0:45.0	You can learn more when you visit Astronomers Without Borders.org.
0:50.0	Let's visit with the Planetary Society's digital editor, Jason Davis.
0:55.0	He has written about the Transiting Exoplanet survey satellite.
0:59.0	Jason, welcome back. Thank you for introducing us to Tess in your April 9th blog post at planetary.org.
1:07.0	Share this with the radio audiences. Is Tess going to Outkepler Kepler?
1:11.0	Yes, Tess. Welcome to Tess. Ah, yes, Tess.
1:13.0	Welcome to Tess, our new exoplanet satellite.
1:16.0	Tests will not out Kepler Kepler, Kepler, per se.
1:19.0	It's going to do an all-sky survey.
1:21.0	So whereas Keppler was kind of looking through a soda straw with a
1:24.8	telescope almost. Tess is using these big wide field cameras so that it's going to be
1:30.3	able to actually over time over the course of two years actually, survey the entire sky.
1:36.4	We say all the entire sky is actually like 90% of the sky.
	...

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