Submission + - Huge hydrogen gas cloud will hit Milky Way (bbc.co.uk)
diewlasing writes: "A giant cloud of hydrogen gas is racing towards a collision with the Milky Way, astronomers have announced. It will reach here within 20-40 million years and is expected to cause a great visual spectacle wherever in the galaxy it collides."
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Huge hydrogen gas cloud will hit Milky Way
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