Galaxies

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Across
  1. 3. The phenomenon of light stretching as galaxies move farther away from us.
  2. 6. A type of galaxy with winding arms, like the Milky Way.
  3. 9. A galaxy with an oval shape, containing mostly older stars.
  4. 11. A mysterious substance that makes up most of the matter in the universe.
  5. 12. A cloud of gas and dust in space, often the birthplace of stars.
Down
  1. 1. The nearest large galaxy to the Milky Way.
  2. 2. A distant, highly energetic object believed to be powered by a black hole.
  3. 4. Referring to the space between stars within a galaxy.
  4. 5. The distance light travels in one year, used to measure distances in space.
  5. 7. The galaxy that contains our Solar System.
  6. 8. A group of galaxies held together by gravity.
  7. 10. A spiral galaxy with a central bar-shaped structure of stars.