1. Where are we in the universe?

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Across
  1. 3. a very large group of stars and planets.
  2. 5. a mass of ice and dust that moves around the sun and looks like a bright star with a tail.
  3. 9. a building where scientists can watch the stars, the weather, etc., using special instruments.
  4. 10. Earth and all the stars, planets, and everything else in space.
  5. 11. a piece of rock from space that hits the earth’s surface.
Down
  1. 1. a vehicle that travels in space.
  2. 2. a long round piece of equipment with special glass inside it. You look through it to make things that are far away appear bigger.
  3. 4. the sun and the planets that move around it.
  4. 6. one of the the small bright lights that you can see in the sky at night.
  5. 7. 1) the big object that shines in the sky at night; (2) an object like Earth’s moon that moves around another planet.
  6. 8. any of the many small, rocky bodies that go around the sun.