19 hours ago
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Astronomers have confirmed the youngest known planet yet, a world less than 1 million years old that is still surrounded by the gas and dust from which it formed.
The planet, called Elias 2-24 b, was identified using observations preserved in NASA-funded archives. It is still orbiting within its young star's dusty disk, giving scientists a rare opportunity to study planet formation while it is still happening.
"Our planet-formation models already strugg...
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