Earth and Space Vocabulary

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Across
  1. 3. A group containing billions of stars, objects that orbit those stars, gas, and dust.
  2. 4. Everything that exists.
  3. 7. A star and all the planets and other bodies that revolve around it.
  4. 8. The study of objects in space and their properties.
  5. 9. One half of the Earth.
  6. 10. Earth's path in space
Down
  1. 1. A change in appearance of the moon's shape as it orbits Earth.
  2. 2. The imaginary line through Earth.
  3. 5. Earth's spinning in space
  4. 6. a large, round body that revolves around a star in a clear orbit.
  5. 7. Huge balls of very hot, glowing gases in space.