Neptune
Neptune ita ce duniya ta takwas daga Rana kuma mafi nisa da aka sani a cikin tsarin hasken rana￼￼. Ita ce duniya ta huɗu mafi girma a cikin Tsarin Rana ta hanyar diamita, duniya mafi girma ta uku, kuma mafi girman ƙaton duniya . Yana da girma sau 17   na Duniya, (ya ninka duniya day 17 a girma) kuma dan kadan ya fi girma fiye da Uranus na kusa. Neptune ya fi Uranus girma kuma ya fi ƙanƙanta da jiki saboda girmansa yana haifar da matsewar yanayi. Ana kiransa ɗaya daga cikin manyan taurarin ƙanƙara guda biyu na tsarin hasken rana (ɗayan kuma Uranus). Da yake an haɗa shi da iskar gas da ruwaye, ba shi da ingantaccen “sabo mai ƙarfi”. Duniya tana kewaya rana sau ɗaya a kowace 164.8 shekaru a matsakaicin nisa na   . Ana kiran ta da sunan gunkin Romawa na teku kuma yana da alamar astronomical , wakiltar Neptune's trident .

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