Astronomy: Galaxies

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Across
  1. 2. the group of neighboring galaxies within relatively close proximity to the Milky Way.
  2. 4. an oddly shaped galaxy that forms as a result of interaction with other galaxies.
  3. 5. a galaxy made of only a few billion stars that orbits larger galaxies.
  4. 7. the galaxy that our solar system is in is made of four spiral arms.
  5. 8. a round or oval galaxy with little gas and dust pr structure, usually filled with dying stars.
Down
  1. 1. a galaxy with a rotating disc surrounded by arms around a central region of stars.
  2. 3. a huge collection of gas, dust, and stars.
  3. 6. a galaxy that has an active supermassive black hole that collects material.