Solar System

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Across
  1. 3. Composed mostly of oxygen, carbon, nitrogen, and sulfur, the "ice” on these planets are mostly water, methane, and ammonia.
  2. 4. The "Red Planet" due to iron oxide on its surface.
  3. 6. The smallest of the five dwarf planets, it is also classified as a large asteroid.
  4. 7. Notable for its unusually fast rotation and egg-like shape.
  5. 10. The smallest and innermost planet, with a cratered surface and no permanent atmosphere.
  6. 11. The largest planet overall, known for its Great Red Spot.
  7. 12. The hottest planet due to a thick, toxic atmosphere that traps heat.
  8. 15. The only known planet to support life.
  9. 16. Although not classified as true planets, they orbit the Sun. They are significantly smaller and lack the gravitational pull to repel or absorb other objects in their path.
  10. 17. Heavier than Pluto, this was the reason for ta controversial reclassification.
Down
  1. 1. The largest planets in the solar system, primarily composed of hydrogen and helium.
  2. 2. A reddish-brown dwarf planet in the Kuiper Belt with a surface likely covered in methane ice.
  3. 5. These planets are located closest to the Sun and have a solid rocky surface.
  4. 8. The most distant major planet, known for its deep blue color and extremely high-speed winds.
  5. 9. The most famous dwarf planet.
  6. 13. Famous for its complex ring system.
  7. 14. A unique planet that rotates on its side and has a faint ring system.