William Lassell
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| Born | June 18 1799 |
|---|---|
| Died | October 5 1880 |
| Nationality | Brtish |
| Field | Astronomer |
| Known for | Discovered Triton, Hyperion, Ariel and Umbriel moons |
William Lassell (June 18 1799 – October 5 1880) was a British astronomer, born in Bolton, Lancashire, England.

