Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Zvimwe zvezvicherekedzo zvokutanga zvakanyorwa zvakamboitwa neteresikopu, mifananidzo yaGalileo yaDecember 28, 1612 naJanuary 27, 1613 ine mapfundo akarongwa anowirirana neanozivikanwa zvino kuva nzvimbo yaNeptune. Muzviitiko zvose zviri zviviri, Galileo anoita seakanganisa Neptune nenyeredzi isingachinji apo yakaoneka iri pedyo neJupiter mudenga reusiku; nokudaro, haapiwi mbiri yokuwana Neptune. Paakatanga kucherekedza muna December 1612, Neptune akanga achitodzikama mudenga nokuti akanga achangobva kudzokera shure musi iwoyo. Kufamba uku kunoratidzika sokudzokera shure kunogadzirwa apo kutenderera kwePasi kunokuendesa pedyo nepuraneti yokunze. Nemhaka yokuti Neptune akanga achangotanga kutenderera kwayo kwegore negore, kufamba kwepasi kwakanga kwakanyanyononoka kuti kuwanikwe neteresikopu duku yaGalileo. Muna July 2009, nyanzvi yefizikisi yepaUniversity of Melbourne David Jamieson yakazivisa uchapupu hutsva hunoratidza kuti Galileo akanga achiziva kuti "nyeredzi" yaakanga aona yakanga yafamba kana ichienzaniswa nenyeredzi dzisingachinji. Muna 1821, Alexis Bouvard akabudisa matafura ezvokuongorora nyeredzi eUranus, muvakidzani waNeptune. Kuongorora kwakazoitwa kwakaratidza kuti paiva nokutsauka kwakakura mumatafura acho, zvichiita kuti Bouvard afungidzire kuti paiva nechimwe chinhu chisingazivikanwi chaivhiringidza nzvimbo yacho chichishandisa simba rinokwevera zvinhu pasi. Muna 1843, John Couch Adams akatanga kushanda pakutenderera kweUranus achishandisa mashoko aaiva nawo. Achishandisa mutungamiriri weCambridge Observatory James Challis, akakumbira mamwe mashoko kuna Sir George Airy, Astronomer Royal, uyo akaapa muna February 1844. Adams akaramba achishanda muna 1845<unk>46 uye akagadzira fungidziro dzakasiyana-siyana dzenyika itsva.  Mubvunzo: Sir George Airy akapa rini mashoko okuwedzera?
February 1844