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View Full Version : New Research Reveals How Galaxies Stay Hot and Bothered



Fraser
2018-Dec-21, 11:40 PM
It’s relatively easy for galaxies to make stars. Start out with a bunch of random blobs of gas and dust. Typically those blobs will be pretty warm. To turn them into stars, you have to cool them off. By dumping all their heat in the form of radiation, they can compress. Dump more heat, compress …
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