Nearly 5 billion kilometers from Earth, the icy object 450P/LONEOS began releasing gas and dust. Scientists believe it could be undergoing a key stage in its transformation into a comet.Scientists believe the process began to accelerate after a close gravitational encounter with Saturn in 1992.About 4.8 billion kilometers from Earth, a small icy body appears to have begun waking up after spending billions of years in the outer regions of the sol…
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