Star gazing

12345678910
Across
  1. 2. A regular beating pain
  2. 4. A spinning hole, like a whirlpool
  3. 6. Shiny and bright
  4. 8. A layer of gas around a planet
  5. 9. Attacked by surprise
  6. 10. Calm and peaceful
Down
  1. 1. People in your family who lived long ago
  2. 3. Wanting what someone else has
  3. 5. Big holes in a surface from impacts
  4. 7. Unable to believe something