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The smallest and innermost of Uranus' major moons. Discovered in 1948 by Gerard Kuiper, it roughly half water ice with the remainder being divided between silicate rock and methane-related organic compounds. Miranda's surface is criss-crossed by huge canyons up to 12 miles deep, with patchwork regions of broken terrain indicating intense geological activity in the moon's past. It is thought that this activity is likely powered by tidal stresses from Uranus, but another theory suggests that Miranda was at some point struck by a massive object that partially shattered the moon.

Data for Miranda:

  • Diameter: 150 km
  • Orbital radius: 80,000 km
  • Orbital period: 1.41 days
  • Rotational period: 1.41 days

Also the daughter of Prospero in William Shakespeare's The Tempest.

Also a short name for the case Miranda v. Arizona, 384 US 436 (1966). See also Miranda warning.