Across
- 2. it was a planet but got changed to a dwarf planet
- 5. a ring just outside neptune’s orbit
- 6. has a large streaming tail
- 7. a day on mars
- 8. tiny bits of asteroids
Down
- 1. it can be 100 miles in diameter or as small as a pebble
- 3. first man made object to leave the solar system
- 4. light can’t escape it