Planets

123
Across
  1. 1. ...is like Earth's twin sister in space! It's the second planet from the Sun and it's very bright in the sky.
  2. 3. The smallest planet and the closest to the Sun, so it's very hot is...
Down
  1. 2. ...is our home sweet home in space! It's the third planet from the Sun and the only one we know of that has life.
  2. 3. ...is like the red planet of adventures! It's the fourth planet from the Sun and it's covered in rusty-red dust.