Tsarin hasken rana

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Tsarin Rana [ƙananan-alpha 1] shine tsarin daure da nauyi na Rana da abubuwan da ke kewaye da ita. Ya samo asali ne shekaru biliyan 4.6 da suka gabata daga rugujewar wani katon gajimare na kwayoyin halitta. Mafi rinjaye (99.86%) na yawan tsarin yana cikin Rana, tare da mafi yawan ragowar taro a cikin duniyar Jupiter. Taurari na ciki guda hudu - Mekuri, Zuhura, Duniya da Mirrihi - taurari ne na kasa, wadanda suka hada da dutse da karfe. Giant taurari huɗu na tsarin waje sun fi na ƙasa girma kuma sun fi girma. Manyan biyun, Mushtari da Zahalu, su ne kattai na iskar gas, waɗanda galibi suka ƙunshi hydrogen da helium; Biyu na gaba, Uranus da Naftun, ƙattai ne na ƙanƙara, waɗanda galibi sun ƙunshi abubuwa marasa ƙarfi waɗanda ke da manyan wuraren narkewa idan aka kwatanta da hydrogen da helium, kamar ruwa, ammonia, da methane. Dukkan taurari takwas suna da kusan zagayen da'ira da ke kusa da jirgin saman kewayar duniya, wanda ake kira ecliptic.