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science ch19
| Question | Answer |
|---|---|
| what us a large cloud of gas and dust bound together by gravity | galaxy |
| what is a large cloud of gas and dust | nebula |
| group of stars that look like a ball | globular cluster |
| group of stars that are usually located on the spiral disk of a galaxy | open cluster |
| most types of galaxies are this type | elliptical |
| this galaxy has a bulge at the center | spiral |
| these galaxies are leftovers Hubble had | irregular |