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William Lassell - Astronomer
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William Lassell

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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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How good is William Lassell?
William Lassell scores 6.66/10 (Fair) on Lunoo, making it rated in the Astronomer category.
What are the best alternatives to William Lassell?
See our alternatives page for William Lassell for a ranked list with scores. Top alternatives include: Joseph Norman Lockyer, Pierre Jules César Janssen, Friedrich Argelander.
How does William Lassell compare to Joseph Norman Lockyer?
See our detailed comparison of William Lassell vs Joseph Norman Lockyer with scores, features, and an AI-powered verdict.
Is William Lassell worth it in 2026?
With a score of 6.66/10, William Lassell is a solid option in Astronomer. See all Astronomer ranked.

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