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Off to the Traces episode artwork

EPISODE · Oct 25, 2010 · 52 MIN

Off to the Traces

from Big Picture Science · host Big Picture Science

If a tree fell on another planet, would we be able to detect it? Not quite yet – but we might be able to tell if the planet was habitable. A living-planet is the promise of newly-discovered Gliese 581g. But does the planet exist at all? Discover how we learn a planet’s geology and chemistry from afar. Also, what we learn about a civilization from what it discards, beginning with our own sloppy habits. Plus, the hunt for derelict alien spaceships… and a man who sketches alien creatures for a living - based on real science. Guests: Lisa Kaltenegger - Astronomer, Harvard-Smithsonian Center for Astrophysics Brad Bebout - Biologist, NASA Ames Research Center Robin Nagle - Anthropologist, New York University Robin Hanson - Economist, George Mason University Joel Hagen - Computer graphics instructor, Modesto Junior College Descripción en español Learn more about your ad choices. Visit megaphone.fm/adchoices

Episode metadata supplied by the publisher feed · Published Oct 25, 2010

What this episode covers

If a tree fell on another planet, would we be able to detect it? Not quite yet – but we might be able to tell if the planet was habitable. A living-planet is the promise of newly-discovered Gliese 581g. But does the planet exist at all? Discover how we learn a planet’s geology and chemistry from afar. Also, what we learn about a civilization from what it discards, beginning with our own sloppy habits. Plus, the hunt for derelict alien spaceships… and a man who sketches alien creatures for a living - based on real science. Guests: Lisa Kaltenegger - Astronomer, Harvard-Smithsonian Center for Astrophysics Brad Bebout - Biologist, NASA Ames Research Center Robin Nagle - Anthropologist, New York University Robin Hanson - Economist, George Mason University Joel Hagen - Computer graphics instructor, Modesto Junior College Descripción en español Learn more about your ad choices. Visit megaphone.fm/adchoices

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Off to the Traces

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How long is this episode of Big Picture Science?

This episode is 52 minutes long.

When was this Big Picture Science episode published?

This episode was published on October 25, 2010.

What is this episode about?

If a tree fell on another planet, would we be able to detect it? Not quite yet – but we might be able to tell if the planet was habitable. A living-planet is the promise of newly-discovered Gliese 581g. But does the planet exist at all? Discover how...

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