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GALAXIES
ASTRO CH.4
Term | Definition |
---|---|
universe | all of space and everything in it |
irregular galaxy | a galaxy that does not have a regular shape |
galaxy | a huge group of single stars, star systems, star clusters, dust and gas bound together by gravity |
spiral galaxy | a galaxy with a bulge in the middle and arms that spiral outward in a pinwheel pattern |
elliptical galaxy | a galaxy shaped like a round or flattened ball, generally containing on old stars |
star solar system galaxy universe | order from smallest to largest |
Milky Way | our galaxy |
MVEMJSUN | order of planets in our galaxy |