Astronomy: Uranus

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Across
  1. 4. Uranus has the most extreme axial tilt in the solar system (approx. 98 degrees), causing it to spin on its side like a rolling ball.
  2. 5. The classification for Uranus, distinct from Gas Giants.
  3. 6. The smallest and innermost of Uranus's five major moons, famous for its "Frankenstein" appearance with jumbled canyons and cliffs.
  4. 8. It takes Uranus approximately 84 Earth years to complete one trip around the Sun.
  5. 10. The British astronomer who discovered Uranus in 1781, initially thinking it was a comet or a star.
  6. 11. The leading hypothesis explaining Uranus's severe tilt, suggesting an Earth-sized object crashed into it shortly after it formed.
  7. 13. Even though Neptune is farther away, Uranus is the ______.
  8. 15. Because of its tilt, Uranus has the most extreme ______.
  9. 16. The only spacecraft to fly past Uranus
  10. 18. The largest moon of Uranus, named after the Queen of the Fairies in Shakespeare's A Midsummer Night's Dream.
  11. 19. Uranus has two sets of rings
Down
  1. 1. Uranus has a bizarre magnetic field that is off-center.
  2. 2. Like Neptune, Uranus occasionally displays large atmospheric storms.
  3. 3. High pressure and temperature deep within the planet likely break apart methane molecules, compressing carbon into ______.
  4. 7. The original name Herschel proposed for the planet.
  5. 9. Uranus rotates in the opposite direction of most planets.
  6. 12. The second-largest and outermost of the major moons, heavily cratered and named after the King of the Fairies.
  7. 14. The gas in Uranus's upper atmosphere that absorbs red light and reflects blue-green light, giving the planet its aquamarine color.
  8. 17. is the only planet named after a figure from Greek mythology (Ouranos, the sky god) rather than Roman mythology.