Across
- 2. the curved path of an object around a star planet or a moon
- 4. the way something looks
- 5. a satellite made of rock and ice that orbits a planet
- 8. chunks of ice and dust or rock that have stretched out orbits around the sun
- 9. a huge ball of very hot matter that gives off energy
Down
- 1. the planets closest to the sun Mercury, Venus, Earth, and Mars
- 3. chunks of rock that measure in size from a meter to several kilometers in diameter
- 6. the four planets that are farther from the sun (Jupiter Saturn Uranus Neptune)
- 7. a system of eight planets and the sun, along with moons, asteroids, and comets