The coldly warm glow of star birth

Bad Astronomy
By Phil Plait
Aug 23, 2010 7:05 PMNov 20, 2019 12:55 AM

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For centuries, scientists have wondered how stars were born. There were lots of ideas, but precious little evidence to back them up. That's changed recently. Oh baby, how that's changed. Check out this gorgeous image of the star-forming compact gas cloud called GL490:

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