Across
- 2. a group of planets, stars, moons, and other celestial bodies
- 3. the planet that we live on
- 5. the Earth spins on its axis. It takes 24 hours
- 7. everything in space that was not made by humans
- 8. a star in the center of a solar system
- 9. a celestial body that revolves around a planet
Down
- 1. how far apart 2 things are
- 2. the pulling force that moves things towards the ground
- 4. the Earth moves around the Sun. It takes 1 year.
- 6. a celestial body that makes constellations