Across
- 2. ALLEN — The zones of radiation trapped by Earth's magnetic field.
- 5. crossword is designed with advanced astronomical terminology, focusing on specific geographical features, historical missions, and physical phenomena.
- 7. — The movement caused within a fluid by the tendency of hotter material to rise.
- 8. — The chemical reaction that gives the Martian regolith its distinct hematite (red) color.
- 10. — The apparent path of the Sun across the celestial sphere.
- 12. — The most geologically active body in the solar system, with over 400 active volcanoes.
- 13. for the Advanced Solar System Crossword
- 17. — The theoretical boundary where the Sun's solar wind is stopped by the interstellar medium.
- 18. — The phenomenon caused by solar particles interacting with a planet's magnetosphere.
- 19. — The physical property that is so low for Saturn that it would theoretically float in water.
- 20. — The giant planet whose magnetic poles are tilted 60 degrees from its rotational axis.
- 22. — The mission that provided the first close-up images of all four giant outer planets.
- 24. — Latin for "sea"; refers to the dark, solidified lava plains on the Moon.
- 26. — The fraction of incident light that is reflected by a planet or moon.
- 27. — A giant spherical shell surrounding the solar system, thought to be the origin of long-period comets.
- 28. — The Martian moon that is below the "synchronous orbit" radius and is slowly moving inward.
- 29. — The circumstellar disc beyond Neptune containing icy remnants from the solar system's formation.
- 30. — The orbital point where a celestial body is furthest from the Sun.
- 33. — The planet that was mathematically predicted by Urbain Le Verrier before it was seen.
- 34. — When the Sun reaches its maximum or minimum declination relative to the celestial equator.
- 35. — The 4,800 km wide gap between Saturn’s A and B rings.
- 37. — A Jovian moon with a surface of water ice and a high probability of a subsurface ocean.
- 38. — The band of 12 constellations that lie along the Sun's annual path.
- 39. — Radial, ghost-like features in Saturn's rings that are thought to be composed of dust particles.
- 40. — The oscillating motion of the Moon that allows us to see about 59% of its surface.
Down
- 1. — The point in an orbit where a planet is closest to the Sun.
- 3. (Horizontal)
- 4. — An icy small solar system body that warms up and begins to release gases when passing close to the Sun.
- 6. — The time interval between two successive identical configurations of a celestial body (e.g., Opposition).
- 8. MONS — A shield volcano on Mars that is nearly three times the height of Mount Everest.
- 9. — The only large moon in the solar system that orbits in the opposite direction of its planet's rotation.
- 10. — The extremely thin, outermost layer of an atmosphere where atoms escape into space.
- 11. — The moving line that separates the illuminated day side and the dark night side of a planet.
- 14. — The only dwarf planet located within the inner solar system.
- 15. — The only extraterrestrial body known to have stable surface liquid in the form of hydrocarbons.
- 16. — The only moon known to possess its own internally generated magnetic field.
- 21. — Orbital or rotational motion that is opposite to the direction of the primary’s rotation.
- 23. — The force that causes "Tidal Heating," which keeps moons like Europa and Io warm.
- 25. — The deepest layer of the Sun's atmosphere that we can observe directly.
- 31. — The center of mass of two or more bodies that orbit each other.
- 32. — The planet with a "sidereal day" (243 days) that is longer than its orbital year (225 days).
- 34. — The group of rock-forming minerals that make up 90% of Earth’s crust and other rocky planets.
- 36. — The Sun’s outer atmosphere, which is millions of degrees hotter than its surface.