Across
- 4. Saturn’s largest moon with a dense atmosphere and methane lakes
- 8. Form of hydrogen in Jupiter's interior that conducts electricity
- 9. Largest moon in the solar system, with its own magnetic field
- 10. Process that powers the Sun by converting hydrogen into helium
- 13. Type of heating caused by gravitational stretching, affecting Io and Europa
- 14. Region of the Sun where energy is transported by moving gas
- 16. A NASA mission that studied Saturn and delivered the Huygens probe to Titan
- 17. The region around a planet dominated by its magnetic field
- 18. Neptune’s largest moon, orbits in the opposite direction of the planet's rotation
- 19. A moon of Saturn with geysers and a subsurface ocean
- 21. Jupiter has a faint system of these made of dust from its moons
- 23. Orbital condition among Io, Europa, and Ganymede that maintains their orbits
- 24. Io has over 400 of these, making it the most geologically active body in the Solar System
Down
- 1. Heavily cratered moon with the oldest surface in the solar system
- 2. High-energy environment around Jupiter due to its magnetic field
- 3. A six-sided storm system at Saturn’s north pole
- 5. The Sun’s visible surface
- 6. The name of Jupiter's four largest moons: Io, Europa, Ganymede, and Callisto
- 7. Region of the Sun where energy travels by radiation
- 11. Water vapor eruptions on Europa, possibly from a subsurface ocean
- 12. Mottled appearance on the Sun caused by convection
- 14. The outermost layer of the Sun’s atmosphere, visible during eclipses
- 15. Moon with an icy surface and suspected subsurface ocean
- 20. Light displays at Jupiter’s poles caused by magnetic field interactions
- 22. Volcano-like activity involving ice or other low-temperature materials