Across
- 2. how much of the Moon is always illuminated by the Sun
- 3. fourth planet from the Sun
- 7. name given to phase of the Moon when a sliver of the Moon is illuminated
- 8. when the side of the moon facing Earth is completely lit up (two words)
- 10. missions to the Moon were called this
- 11. how many planets are there
- 12. farthest planet from the Sun
- 13. largest body of matter in our solar system
Down
- 1. name given to Moon phase when half the Moon is illuminated
- 3. Saturn has 62 of these
- 4. when the side of the moon facing Earth is not reflecting any light from the Sun (two words)
- 5. name given to a phase of the Moon when most of the Moon it illuminated
- 6. comparing relative sizes of objects
- 7. many of these are actually based on phases of the Moon
- 9. even though sunlight is considered to travel in straight lines, the photons actually travel in what?
