Quiz time

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Across
  1. 3. It is something which is small, light and bright, and you can see it in the sky at night
  2. 5. It is something which takes you to the space
  3. 7. It is something which goes around the Earth, and you can see it at night
  4. 9. It is somewhere where spacemen work
  5. 10. It is something which is round. It goes around the sun. There are nine of them in the solar system
Down
  1. 1. It is somebody who goes to the space
  2. 2. It is something which you use to look at the sky
  3. 4. It is somenthing which flies in the sky, you can see it but you can't give it a name
  4. 6. It is a museum which is devoted to the space
  5. 8. It is something which flies through the sky, and it has a tail