Space

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Across
  1. 5. all of them are bigger and brighter than our sun
  2. 7. it gets colder as it grows
  3. 9. it has rings and is the second biggest planet
  4. 11. it's power is measured in thrust
  5. 12. they orbit the sun the same way planets do
  6. 13. it is the coldest planet and it orbits the sun on it's side
  7. 16. it is the farthest planet from the sun
  8. 18. is the third planet from the sun
  9. 19. it is a hollowed out area produced by the impact of a meteorite
Down
  1. 1. it helps stabilize our planet's wobble and moderate our climate.
  2. 2. red and the fourth planet from the sun
  3. 3. people that travel to space in a rocket
  4. 4. biggest planet and made of gas
  5. 6. belt, it is located between the orbits of Mars and Jupiter
  6. 8. it is hotter than Mercury
  7. 10. hole, when a star dies it becomes this
  8. 14. it is a dwarf star
  9. 15. closest planet to the sun
  10. 17. there are over 170 billion of these in the observable universe