Are We About To Discover Life On Mars? with Nathalie Cabrol

Factually! with Adam Conover

Headgum

Comedy

4.4 • 2.2K Ratings

🗓️ 14 August 2024

⏱️ 77 minutes

🔗️ Recording | iTunes | RSS

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Summary

NASA's Perseverance rover recently discovered a rock on Mars that could be the key to finding evidence of life beyond Earth. Coupled with the recently discovery that hundreds of millions of other planets exist in the "habitable zone" of their stars, it’s becoming increasingly likely that we’re not alone in the universe. While finding extraterrestrial life would be one of the most groundbreaking scientific achievements ever, the ongoing search is already shedding light on our own origins and place in the cosmos. This week, Adam sits with Nathalie Cabrol, director of the Carl Sagan Center at SETI and author of The Secret Life of the Universe: An Astrobiologist's Search for the Origins and Frontiers of Life. Together, they explore the probability of discovering alien life in our lifetimes, whether there could be a form of life so alien we wouldn't even recognize it, and the possibility that life on Earth might not have started here. Find Nathalie's book at factuallypod.com/books

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Transcript

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0:00.0	This is a headgum podcast. I don't know what to think I don't know what to say
0:16.0	and that's all right that's okay
0:21.0	I don't know anything.
0:25.0	Hello and welcome to Factually. I'm Adam Conover. Thank you so much for joining me on the show again.
0:31.0	We have some huge news to talk about on today's show because scientists have
0:35.0	discovered a rock on Mars. But this rock is different from most of the other rocks
0:39.0	up there because this one might, might show us for the first time that there is life beyond Earth.
0:45.2	If this is the case, this weird little rock will go down as one of the greatest finds
0:50.5	in human history. It would transform our sense of the universe and our place in it.
0:56.0	And I know that sounds like a lot because it is. We might want to back up here and ask,
1:01.0	how did we get from a close-up of some bumps and streaks from a rock on Mars
1:05.3	to arrive at a potentially profound discovery? Well, the answer comes from the ever-expanding field of astrobiology.
1:13.4	Astrobiology is kind of a funny word,
1:15.7	and it's also a hopeful one.
1:17.5	Because in the decade, since we started exploring space,
1:20.2	we found 100% astro and 0% biology, pretty tilted on one side.
1:26.2	But the lack of definitive proof of life beyond our planet masks huge developments in the field.
1:32.7	Here's one example.
1:33.8	In the early 90s, we didn't know for sure
1:36.0	if there were any planets orbiting stars outside of our solar system,
1:39.8	let alone any that would orbit stars
1:41.6	at the right distance to support life.
	...

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