Across
- 3. a planet that is too far to see.
- 5. in space and it looks like a plate.
- 6. the brightest planet in the solar system.
- 8. who study space.
- 9. : not close.
Down
- 1. what scientists do.
- 2. earth is a ______.
- 4. thing that makes things look bigger.
- 7. system:there are 8 planets in it.