description William Lassell Overview
William Lassell was an English brewer who pursued astronomy and built large reflecting telescopes for observing faint objects. In 1846 he discovered Triton, the largest moon of Neptune. He later discovered Uranus's moons Ariel and Umbriel and co-discovered Saturn's moon Hyperion. Lassell's observations expanded nineteenth-century knowledge of the outer planets and their satellites, while his instrument making supported the use of larger apertures in astronomical research.
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What did William Lassell discover?
William Lassell discovered Triton, Neptune's largest moon, in 1846. He later discovered Uranus's moons Ariel and Umbriel and co-discovered Saturn's moon Hyperion.
How did William Lassell support his astronomy work?
Lassell was an English brewer who built large reflecting telescopes for observing faint objects. His instruments helped him search for moons that were difficult to see with smaller telescopes.
When was Triton discovered by William Lassell?
Lassell discovered Triton in 1846, shortly after Neptune itself had been identified. Triton remains the largest moon in Neptune's system.
Which Uranus moons are linked to William Lassell?
William Lassell is credited with discovering Ariel and Umbriel. These are two of Uranus's major moons, identified during his later observing work.
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