Unit 2 Vocab (Space)

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Across
  1. 3. A rock and iron object that orbits a star.
  2. 5. A nearly round body whose orbit crosses the orbits of other objects.
  3. 8. A group of billions of stars, with dust and gas orbiting the stars.
  4. 9. Everything that exists.
Down
  1. 1. A chunk of frozen gases, rock, ice, and dust.
  2. 2. A large ball of hot, glowing gases that produces its own heat.
  3. 4. A system that contains stars, planets, and other space objects.
  4. 6. A large, round body that revolves around a star.
  5. 7. The study of objects in space and their characteristics.