Source: wikibot/ariel-moon
= Ariel (moon)
{wiki=Ariel_(moon)}
Ariel is one of the moons of Uranus, the seventh planet from the Sun in our solar system. It was discovered by the British astronomer William Lassell in 1851. Ariel is the fourth largest of Uranus's moons and is notable for its relatively bright surface and a diverse geological history. Here are some key features of Ariel: 1. **Size and Composition**: Ariel has a diameter of about 1,158 kilometers (approximately 720 miles).