<prompt> Yimuphi umbuzo othi: Ngokubikezela kuka - Urbain Le Verrier, ukubonwa kwesibonakude okuqinisekisa ukuba khona kweplanethi enkulu kwenziwa ngobusuku bango - September 23 kuya ku - 24, 1846, eBerlin Observatory, yisazi sezinkanyezi uJohann Gottfried Galle esasizwa uHeinrich Louis dArrest, sisebenza kusukela ekubaleni kuka - Le Verrier? Isihloko siwukutholakala kukaNeptune.  <response>: ngubani owathola iplanethi iNeptune? 