Across
- 4. a space vehicle
- 6. a large system of stars
- 7. any body in the sky, except the moon, that appears as a fixed point of light in the night sky
- 8. a natural body in space, as a moon, that revolves around a planet
- 9. a natural satellite that goes around any planet
Down
- 1. any of the nine large bodies revolving around the sun
- 2. a piece of stone of any size
- 3. the force of attraction by which objects tend to fall toward the center of a mass
- 5. place where planets, stars, and galaxies are found
- 8. the star that is the central body of the solar system