Across
- 3. Rocks that enter a planet's atmosphere
- 6. An object that orbits a planet or another celestial body that is not a star
- 8. Rocks that crash into a planet's surface
- 9. Small rocky planets (Mercury, Venus, Earth, Mars)
- 10. Gas giants (Jupiter, Saturn, Uranus, Neptune)
Down
- 1. Large object made of dust and ice that orbit the Sun. Characterized by streaming trails
- 2. Rocks that travel through space
- 4. The force of attraction between any two objects with mass
- 5. A large area of small, icy object that orbit the Sun beyond the planet Neptune
- 7. A mixture of gases that surround a planet, moon, or other celestial body