Across
- 4. The ________ of Thebe is covered in huge craters.
- 6. Earth takes 365 days to _____ the Sun.
- 7. a huge mass of rock or gas moving around a star
- 9. A _______ took a photo of Mars' surface.
Down
- 1. very large
- 2. a lump of rock moving around the sun
- 3. to do something slowly
- 5. a round hole made by a rock crashing
- 7. The _______ flew around Saturn.
- 8. Some use big, curved mirrors.