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Components of the Universe

Components of the Universe. 8.8A. Irregular Galaxy. Irregular Galaxy. A Huge Galaxy full of Young Stars Undefined shape; no symmetry No bulge or disk Contains stars; usually rich in gas and dust Held together by gravity . Spiral Galaxy. Spiral Galaxy.

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Components of the Universe

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  1. Components of the Universe 8.8A

  2. Irregular Galaxy

  3. Irregular Galaxy • A Huge Galaxy full of Young Stars • Undefined shape; no symmetry • No bulge or disk • Contains stars; usually rich in gas and dust • Held together by gravity

  4. Spiral Galaxy

  5. Spiral Galaxy • A Huge Galaxy full of Middle Aged Stars • Disk shaped; resembles a pinwheel with arms that spiral outward • Contains stars; rich in gas and dust • Held together by gravity

  6. Elliptical Galaxy

  7. Elliptical Galaxy • A Huge Galaxy composed of Old Stars • Round to flattened or elongated spheres; bulge but no disk • Contains stars, a little cool gas, and dust • Held together by gravity

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