View Full Version : A Snapshot of a Galactic Crash

2014-Nov-10, 03:10 PM
Some galaxies shine with a red ghostly glow. Once these galaxies stop forming new stars, they can only host long-lived stars with low masses and red optical colors. Astronomers often call these ghostly galaxies “red and dead.” But the basics behind why some form so quickly is still a mystery. “It is one of the […]

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