Where are we in the Universe?

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Across
  1. 4. any of the small rocky bodies that go around the sun
  2. 6. a mass of ice and dust that moves around the sun and looks like a bright star with a tail
  3. 7. a vehicle that travels in space
  4. 9. earth and all the stars and planets and everything in space
  5. 11. the sun and the planets that move around it
Down
  1. 1. a long round piece of equipment with a special glass inside it
  2. 2. the big object that shines in the sky at night
  3. 3. a piece of rock from space that hits the Earth’s surface
  4. 5. a building where scientists can watch the stars
  5. 8. the small bright lights you see in the sky at night
  6. 10. a very large group of stars and planets