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Uranus

Caelus

The tilted ice giant — rotating on its side like a cosmic rolling ball. Uranus's pale blue-green hue comes from methane in its atmosphere, absorbing red light and reflecting blue back into space.

Drag the planet to rotate it

Diameter

51,118 km

Distance

2.87 billion km

Orbital Period

84.01 years

Day Length

17.24 hours

Gravity

8.69 m/s²

Temperature

-197°C

Moons

27

Discovery

William Herschel — March 13, 1781

Atmosphere

Hydrogen (82.5%), helium (15.2%), methane (2.3%)

Exploration Missions

Voyager 2 (1986)Future orbiter missions planned for 2030s

Interesting Facts

  • Uranus rotates on its side with an axial tilt of 98 degrees
  • It was the first planet discovered with a telescope
  • Uranus has 13 known rings — faint and dark
  • Its magnetic field is tilted 60 degrees from its rotational axis
  • A season on Uranus lasts 21 Earth years

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