Space

12345678910111213
Across
  1. 5. a planet that is more than 3 times the mass of our own
  2. 7. The only other place in space people have walked on
  3. 8. how distance is measured in space
  4. 10. a group of stars that form an image
  5. 11. this planet shares its name with a chocolate bar
  6. 12. bright dots in the sky
  7. 13. the planet we are on
Down
  1. 1. what humans use to travel into space
  2. 2. something you don't have in space
  3. 3. a planet that orbits another star instead of the sun
  4. 4. something you use to look at space from earth
  5. 5. center of the solar system
  6. 6. planet with rings
  7. 9. person that studies space