William Lassell

William Lassell ( 18 yunyu 1799 - 5 tuber 1880 ) yella d amsenzu seg 1814 alammid 1821 deg Liverpool . Sin akin yuɣal d amesnallun , ilul deg Bolton , yeɣra deg Rothschild seld mi yemmut bab-as.

Imahilen

Deg 1846 , Lassell isnarem-d ayyur n Triton igan d ayyur ameqran yakk n Niptun seld n 17 n wyssat seg mi i d-isnarem umesnallun analman Johann Gottfried Galle amtiweg n Niptun, Akken i yettekka deg usnirem n wayyur n Hyperion yettaṭṭafen amtiweg n yebter deg 1848. Ma deg useggas n 1851 isnarem-d Ariel d Umbriel itezzin ɣef Uṛanus .

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