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doit_the_clown doit_the_clown
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7 years ago
Starburst galaxies within clusters of galaxies are seen to be extremely bright in the visible light of many newborn stars and in the infrared light from warm dust and are probably direct evidence of


(a)   the collision between two galaxies, the shock waves in interstellar dust and gas triggering prolific star formation.
(b)   the Big Bang, since these very distant and hence very old galaxies are allowing us to look back at star formation at the beginning of the Universe.
(c)   highly condensed matter around a supermassive black hole at the center of the galaxy, the compression of the dust and gas clouds leading to intense star formation.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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hyponoticahyponotica
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7 years ago
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