<3

1234567
Across
  1. 3. A planet colder than Uranus
  2. 4. A red giant
  3. 5. the hottest planet in the solar system
  4. 6. A planet where everyone lives in
  5. 7. Not considered a planet in our solar system
Down
  1. 1. A planet that is icy cold
  2. 2. A planet full of gas
  3. 4. closest to the Sun