Exam (elaborations)
ASTR 205 Astro Review 3 (and after)
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How do we classify galaxies? - We classify galaxies based on if they are spiral, elipitical or irregular. The size is determined be the halo. What kind of stars do elliptical galaxies contain? - Ellipitcal galaxies have only older stars. There is no gas or dust to create new stars. What kind ...
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