Lost Worlds: What killed Venus?

Unexplainable

Vox

Life Sciences, Science, Natural Sciences

4.5 • 2K Ratings

🗓️ 29 June 2022

⏱️ 28 minutes

🔗️ Recording | iTunes | RSS

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Summary

Venus is the hottest, scariest planet in the solar system, but billions of years ago it may have been a lot like Earth, complete with an ocean of water. So, how did Venus go to hell? And could Earth be next? This is the final episode of our four-part series, Lost Worlds, and it originally ran on December 1, 2021. For more, go to http://vox.com/unexplainable It’s a great place to view show transcripts and read more about the topics on our show. Also, email us! [email protected] We read every email. Support Unexplainable by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices Learn more about your ad choices. Visit podcastchoices.com/adchoices

Transcript

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0:26.0	and whether you can afford to take the high risk of losing your money.
0:30.0	It's unexplainable. I know I'm Hasenfeld and this is the final episode of our lost world series.
0:50.0	So far, we've investigated billion-year-old mysteries on the earth, the moon, Mars.
0:56.0	So clearly, it's time for Venus. For the last episode of our series, we wanted to share a favorite episode of ours.
1:03.0	We originally made last year because Venus is at the heart of one of the ancient solar systems most tantalizing unanswered questions.
1:11.0	I think it's the greatest question in planetary science. Robin George Andrews, volcanologist, journalist, obsessed with this question.
1:18.0	I've been convinced of this by scientists just because it is kind of like a murder mystery.
1:24.0	We know the victim, Venus, second planet from the Sun. These days, it's a terrible volcanic hellscape.
1:31.0	Venus is the worst place known to science. It is a horrible, apocalyptic and awful in every possible way.
1:38.0	But there's reason to believe that Venus was once a beautiful, habitable paradise.
1:44.0	It might have actually been the first habitable planet in our solar system.
1:48.0	And it would have been a beautiful thing to see. Until at least a billion years ago, it was murdered.
1:54.0	Like some sort of cosmic deity had a really, really grumpy day and just went,
1:59.0	No, I'm gonna ruin this planet. We know the cause of death. Out of control, climate change.
2:05.0	Every temperature of the planet shut up by something like several hundred degrees Fahrenheit.
2:10.0	So it really sort of cooked itself to death. But we don't know what caused it to get so hot.
2:15.0	And figuring out what killed Venus isn't just some historical curiosity.
	...

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