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Venus

NASA Goddard Space Flight Center

Venus may have been just like Earth 3 billion years ago

Contrary to the toxic hellscape that is present-day Venus, the planet might have had temperate, Earth-like temperatures and liquid water oceans 3 billion years ago, Gizmodo reports. New climate models—made by using estimated radiation levels from that time, along with data from the Magellan spacecraft about Venus’s current surface—suggest that Venus would have been only 11°C (52°F). The researchers, who reported their findings in Geophysical Research Letters, say it’s plausible that Venus could have harbored life—especially in its oceans—and that Venus-like worlds in other systems may prove habitable as well.

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