Components of the Universe

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Across
  1. 1. Explosion that started the universe
  2. 3. powered by supermassive black holes
  3. 5. the rock burns up in Earth's atmosphere
  4. 8. an object that orbits around a larger object
  5. 9. Doesn't burn up through the atmosphere and strikes Earth
  6. 10. large cloud of gas and dust in space
  7. 11. made of ice dust and gas
Down
  1. 2. invisible object with strong gravity
  2. 4. space and all the energy and matter in it
  3. 6. spherical body that orbits the sun
  4. 7. body composed of gas and emits light
  5. 9. a space rock, that stays in space