The sun is the first option for what could have killed venus. The other suspects just happens to be my favourite thing, and that's volcanoes. Two 52 million years ago, ert experienced worst mass extinction. At least 90 % of all life on earth was wiped out.
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, what killed Venus? And could Earth be next?
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