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