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2nd Planet May Have Been Habitable Once: Scientists

“Hellish” is a word commonly used to describe the atmosphere on Venus, but a new study suggests the second planet from the sun may have been habitable once. Writing in the journal Geophysical Research Letters, climate scientists from NASA’s Goddard Institute for Space Studies (GISS) say the planet may have had a shallow ocean and “habitable surface temperatures” for around 2 billion years of its history. “Many of the same tools we use to model climate change on Earth can be adapted to...

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