space

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Across
  1. 2. an object that revolves another object in space
  2. 4. a small rocky body orbiting the sun
  3. 7. the explosion of a dying supergiant
  4. 10. star- a star much larger than the sun
  5. 12. a round pit on the moons surface
  6. 14. a person who studies the stars and other things in the sky
  7. 15. the partial or total blocking of one object by another
Down
  1. 1. a system of billions of stars,together with gas and dust
  2. 3. the rise and fall of the level of water in the ocean
  3. 5. giant- a large reddish start late in its life cycle
  4. 6. a natural object that orbits a planet
  5. 8. the 7th planet from the sun
  6. 9. dwarf- the final stage of a white dwarf
  7. 11. the smallest planet closest to the sun
  8. 13. the force between two objects