Across
- 7. Ice crystals of this chemical compound are thought to make up the clouds seen on Uranus and Neptune.
- 10. Dwarf planet just out beyond Neptune
- 11. A region of space surrounding a celestial body where the environment is dominated by the object’s magnetic field
- 12. Outer planet having a “tipped over” rotation axis
- 15. An ongoing process on Saturn in which condensed droplets of helium fall through the layer of liquid hydrogen. Also known as “helium rain.”
- 17. Two-word term that describes Uranus and Neptune
- 19. Adjective often used to refer to the outer planets
- 20. Two-word term that describes Jupiter and Saturn
- 21. The second spacecraft to orbit Jupiter
Down
- 1. Largest planet in the Solar System
- 2. The first spacecraft to orbit Jupiter
- 3. One of the two lightweight gases found in abundance on the outer planets
- 4. The first spacecraft to orbit Saturn
- 5. One of the two lightweight gases found in abundance on the outer planets
- 6. At Saturn’s north pole, there is a strange atmospheric phenomenon shaped like this geometric figure.
- 8. The planet farthest from the Sun
- 9. The gigantic, crimson-colored persistent storm system visible in Jupiter’s southern hemisphere
- 13. Ice crystals of this chemical compound are thought to make up the clouds seen on Jupiter and Saturn.
- 14. Second-largest planet in the Solar System
- 16. The planet Saturn’s most visible feature
- 18. Electrically conductive material existing inside Jupiter and Saturn which helps create the dynamo giving these planets very strong magnetic fields
