SPACE !!!!!

1234567
Across
  1. 1. the massive thing that contain the solar system
  2. 3. the hottest planet in the solar system
  3. 5. the first planet in the solar system
  4. 6. the last planet in solar system
  5. 7. the only star in the solar system
Down
  1. 2. the subtainces that contain greenhouse gasses
  2. 4. the coldest plant in the solar system