Across
- 2. round and orbits the sun
- 5. a loose ball of ice and rock
- 6. 6 out of the 8 planets have a natural one of these
- 7. small chunks of rock and dust
Down
- 1. is a gaseous body much larger than anything else
- 3. are instruments that collect and focus light into electromagnetic radiaion
- 4. the distance between the crest of one wave and the crust of the next