Across
- 3. right side of the moon appears brighter
- 6. small rocky objects that move around the sun
- 7. an natural force that pulls objects towards earth
- 8. 7th planet from the sun
Down
- 1. the path in space that is followed by an object going around a planet
- 2. a group of stars that appear in a particular shape or pattern
- 4. layer of gases that surround the earth
- 5. closest planet to earth
