The Planets

Edit Answers
1234567
Across
  1. 5. similar in composition to Neptune
  2. 6. the largest in the Solar System.
  3. 7. the second planet from the sun
Down
  1. 1. the closest planet to the sun
  2. 2. the red planet's bloody color
  3. 3. the second-largest in the Solar System
  4. 4. It's the only planet known to have an atmosphere