Solar system vocabulary check

1234567
Across
  1. 3. it includes the stars and planets!
  2. 6. It pushes and pulls in the universe!
  3. 7. These bodies in space go around stars as they are smaller
Down
  1. 1. Our solar system is inside it!
  2. 2. A piece of rock in space
  3. 4. It shines brightest during the night
  4. 5. The fancy word we use to explain planets going around a star