Across
- 2. ____ is when a planet is going around in an orbit.
- 5. ___ ___ is the group of planets and other bodies that revolve around a star.
- 6. __ __ is the region of asteroids between the inner and outer planets.
- 8. ___ is the invisible pole in the center of the Earth.
Down
- 1. ___ is when a planet spins on its axis (24 hrs).
- 3. ___ is large natural objects that orbit around stars.
- 4. ___ is the path an object takes in space.
- 7. ___ is a ball of gas that glows.