Across
- 4. the sun and planets formed together from a cloud of dust called a
- 7. the 4 planets furthest from the sun
- 9. inner planets are composed of mostly
- 10. the 4 planets closest to the sun
Down
- 1. earth is composed of mostly
- 2. first of the outer planets
- 3. this planet has easily seen rings
- 5. nearest star to earth
- 6. planets do not travel in a circle but an
- 8. third planet from the sun