SPACE

123456789101112
Across
  1. 2. closest star to the earth
  2. 3. what is it called when a star explodes
  3. 4. tallest mountain on mars
  4. 8. nearest star (apart from the sun)
  5. 10. how many planets are there in our solar system
  6. 11. the name of our galaxy
  7. 12. the eighth planet from the sun also a god's name
Down
  1. 1. what separates the gas giants from the rocky planets
  2. 5. what orbits the earth
  3. 6. is now called a dwarf planet
  4. 7. first man in space
  5. 9. first man on the moon