Across
- 4. scientists use this tool to see space
- 6. planet known to have rings
- 7. planet with life forms
- 9. the red planet
- 10. orbit the sun but are not planets
- 11. small ice balls in space that enter earth
Down
- 1. orbits planets
- 2. space junk smaller than an asteroid
- 3. dwarf planet
- 5. light source of the universe
- 6. are only seen at night
- 8. closest planet to the sun