) Gas in the Milky Way collects into a disk because of a) elastic cloud collisions b) inelastic cloud collisions c) angular momentum d) chemical evolution e) supernovae
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Gas clouds initially move in random directions and collide with each other. Show more…
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Dark matter clumps stop collapsing because a. angular momentum must be conserved. b. they are not affected by normal gravity. c. fusion begins, and radiation pressure stops the collapse. d. the particles are moving too fast to collapse any further.
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