Uranus’ Moon Ariel

Uranus’ moon Ariel — Ariel is a moon of Uranus discovered in 1851 by William Lassell.

Its composition is roughly 50% water ice, 30% silicate rock, and 20% methane ice, and it appears to have regions of fresh frost in places.

Largely devoid of impact craters, Ariel appears to have undergone a period of intense geological activity that has produced a huge network of fault canyons and liquid water outflows over its surface.



Discovered by William Lassell
Discovered in 1851

Orbital characteristics

Orbital radius: 190,900 km
Orbital period: 2.52 days
Rotational period: 2.52 days

Physical characteristics

Diameter: 1160 km
Surface Area: 4,200,000 km2



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