Across
- 2. a satellite made of rock and ice that orbits a planet
- 3. chunks of rock that measure in size from a meter to several kilometers in diameter. They orbit the sun.
- 5. an area in space that has such a strong gravitational pull that nothing can come out of it, not even light
- 6. Jupiter, Saturn, Uranus, and Neptune; they are further from the sun
- 7. chunks of ice and dust or rock that have stretched-out orbits around the sun
- 8. a huge ball of very hot matter that gives off energy
- 10. the distance light travels in one year
Down
- 1. Mercury, Venus, Earth, and Mars; they are closest to the sun
- 3. the way something looks
- 4. a system of eight planets and the sun, along with moons, asteroids, and comets
- 9. the curved path of an object around a star, a planet, or a moon
- 11. a collection of gas, dust, and stars and their orbiting objects