Across
- 2. The planet that has the greatest gravitational pull.
- 4. Is the largest object that currently sits in the Kuiper belt.
- 6. Has a strong enough gravity that not even light can escape it.
- 8. One of Jupiter's four main moons.
- 10. One of the two ice giants in our solar system.
- 13. Held together by self-gravity and visible to the naked eye.
- 14. It contains minor planets that are in the icy group.
- 16. A planet outside of our solar system, located 50 light years away from the Pegasus Constellation.
- 17. The most common element in our solar system.
- 18. Comes from either the Kuiper Belt or Oort Cloud.
Down
- 1. A huge ring around the outer solar system that contains icy bodies.
- 3. A dwarf planet shaped like an egg.
- 4. A younger version of a star that has not reached it's stage of stellar evolution.
- 5. Has rings that bend around it.
- 7. Layer of gas that surrounds the Earth.
- 9. Rocky debris that is left from the formation of planets
- 11. Made up of hydrogen, and cosmic dust.
- 12. Contains millions of asteroids larger than one kilometer.
- 15. Star in the middle of our solar system.
- 19. Is able to stop suns radiation.