Who discovered Neptune, Rings,Satellite

Johann Gottfired Gelle discovered Neptune- 23 sept 1846
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Rings:
Diffuse
Inner
Plateau
Main
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Satellite:
Naiad
Thalassa
Despina
Galatea
Larissa
Proteus
Triton
Nereid
Halimede
Sao
Laomedeia
Psamanthe
Neso