Head in the clouds crossword

123456789101112
Across
  1. 6. a man made object that flies in the sky
  2. 7. a ball of ice that flies through space creating a tail
  3. 9. a collection of billions of stars in a space
  4. 10. the man who first used telescopes to discover space
  5. 11. the program NASA used for space exploration by man
  6. 12. a rock flying through space
Down
  1. 1. famous inventor also known for painting the Mona Lisa
  2. 2. a hot ball of gas
  3. 3. a formation of stars seeming to create a symbol
  4. 4. the place beyond earth
  5. 5. the person who created the heliocentric model of our solar system
  6. 8. a group of water drops suspended in the atmosphere