Across
- 3. The red planet; contains ferricoxide which is a mineral that makes it look very red
- 7. Smallest gas giant; surface gravity almost Earth-like
- 8. 3 times as long as the Grand Canyon; once called "Easter Bunny"; dwarf planet
- 9. Only known planet that can obtain life
- 13. A very large star brighter than a giant star
- 14. When a supernova dies down and collapses
- 16. A body in the universe that contains millions or billions of stars
- 19. The core of a supernova/supergian star
- 20. A star that fuses hydrogen atoms to form helium atoms in its core
- 24. Largest planet in a solar system with around sixty moons
Down
- 1. Shaped like an egg, named after Hawaiian goddess; dwarf planet
- 2. Considered both a planet and a dwarf planet
- 4. When a star explodes MASSIVELY
- 5. A galaxy that neighbors the Milky way
- 6. The closest planet to the sun
- 10. Hottest planet in our solar system
- 11. A galaxy that contains the solar system
- 12. The planet with the most rings in our solar system
- 15. The only dwarf planet located in the inner solar system
- 17. A main sequence star located in our Solar System; all the planets orbit around it
- 18. A spheroid (ball) made out of hydrogen, helium and plasma
- 21. A body of interstellar stars
- 22. The most massive, second largest dwarf planet in the solar system
- 23. The only planet in our solar system that orbits on its side; the least dense planet