Across
- 3. the "red planet"
- 4. furthest planet from the sun
- 7. someone who travels into space
- 8. system the name for the sun and all the planets that orbit
Down
- 1. visible at night from earth
- 2. no longer officially a planet
- 3. the planet closest to the sun
- 5. the planet with the rings
- 6. A planet with human life
- 8. all the planets orbit around this