Across
- 2. a rocky body that moves through space and is smaller than an asteroid.
- 4. what the 4 outer planets are made of
- 6. the spinning of a planet on its axis.
- 8. only planet with liquid water and known life
- 9. a small body of ice, rock, and dust that orbits the Sun in an elongated ellipse.
- 10. the star closest to Earth. It is very large and very hot.
- 11. a curved path a planet follows as it travels around the Sun. Moons follow orbits around planets.
- 12. a complete trip of a planet around the Sun.
- 13. a small rocky object that orbits the Sun and is most commonly found in the asteroid belt.
Down
- 1. includes the Sun, the eight planets, and the many other objects that orbit the sun.
- 3. a large object that orbits the Sun or another star.
- 5. an object that orbits a planet, can be natural or man-made
- 7. a small, natural satellite that revolves around a planet
- 14. what the 4 inner planets are made of