Universe Crossword

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Across
  1. 3. Increasing in size.
  2. 5. Something that backed up the Big Bang Theory.
  3. 7. The name of the galaxy we live in.
  4. 8. The name of the planet we live on.
  5. 10. The study of the origin, future, and other aspects of the universe.
Down
  1. 1. The theory that the universe was created by a single huge explosion.
  2. 2. The force that attracts bodies to the center of a large mass.
  3. 4. The star we rotate around.
  4. 6. The entire space all around us.
  5. 9. Decreasing in size.