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Uranus

ice giant planet • Discovered 1781

Uranus is the seventh planet from the Sun and the first discovered with a telescope. It rotates on its side with an axial tilt of nearly 98 degrees, likely from an ancient collision.

Fun Fact

Uranus rotates on its side, with an axial tilt of 97.77 degrees, likely from an ancient collision with an Earth-sized object.

Type

ice giant

Diameter

51,118 km

Temperature

-195°C

Moons

3

Rings

Yes

Gravity

8.87 m/s²

Discovery

Discovered by William Herschel in 1781

Data sources: NASA Jet Propulsion Laboratory, ESA, International Astronomical Union. Orbital mechanics from NASA/JPL Horizons system.