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6 March, 21:11

What does a spiral galaxy look like

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  1. 6 March, 21:14
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    Exactly what it's named after: a spiral. Think of a spiral galaxy like a CD disk. The arms of it are filled with stars, dust, gases, etc.
  2. 6 March, 21:29
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    The arms of a spiral galaxy have lots of gas and dust, and they are often areas where new stars are constantly forming. The bulge of a spiral galaxy is composed primarily of old, red stars. Very little star formation goes on in the bulge.
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