Space

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Across
  1. 2. Star in our solar system
  2. 3. Earth's Natural Satalite
  3. 4. A group of stars
  4. 5. Evidence that suppots big bank theory showing galaxies moving away from each other
  5. 8. The force that causes the planets to orbit the sun.
  6. 9. Theory of the origin of our Universe
Down
  1. 1. Ice ball that forms a tail as it comes close to the sun
  2. 2. When all matter in unverse was conatined in a hot and dense point at the start the big bang
  3. 6. A small rocky body orbiting the sun
  4. 7. Name of our galaxy