Venus is at the heart of one of the ancient solar system's most tantalizing unanswered questions. It might have actually been the first habitable planet on our solar cistem. We don't know what caused it to get so hot, and figuring out what killed venus isn't just some historical curiosity. Venus is a possible future for us, for earth.
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.
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