Galaxies

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Across
  1. 1. made up of gas and dust and stars
  2. 3. Galaxy a central bulge surrounded by a flat disk, contains gas, dust stars
  3. 5. round or oval shaped, stars distributed uniformly Mostly older stars and little gas and dust
  4. 6. no distinct shape or structure, contain both old and new stars
Down
  1. 2. disk shaped like spiral galaxies but lack spiral arms, less gas and dust than spiral galaxies
  2. 4. largest black hole