Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: Mercury ya bayyana yana da tsayayyen silicate crust da mayafin da ke rufe wani tsayayyen, baƙin ƙarfe sulfide na waje, mai zurfin ruwa mai zurfi, da kuma tsayayyen ciki. Mercury yana ɗaya daga cikin taurari huɗu na duniya a cikin Hasken rana, kuma yana da jikin dutse kamar Duniya. Ita ce mafi ƙarancin duniya a cikin Hasken rana, tare da radius na equatorial na kilomita 2,439.7 (1,516.0 mi). Mercury ma ya fi ƙanƙanta - duk da cewa ya fi girma - fiye da manyan tauraron dan adam na halitta a cikin Tsarin Rana, Ganymede da Titan. Mercury ya ƙunshi kimanin kashi 70% na ƙarfe da 30% na kayan silicate. Yawan Mercury shine na biyu mafi girma a cikin Tsarin Rana a 5.427 g / cm3, kawai dan kadan kasa da yawan duniya na 5.515 g / cm3. Idan za a yi la'akari da tasirin matsewar nauyi daga duniyoyin biyu, kayan da aka yi da Mercury za su fi na Duniya yawa, tare da ƙarancin ƙarancin 5.3 g / cm3 a kan na Duniya 4.4 g / cm3. Ana iya amfani da yawaitar Mercury don fahimtar cikakkun bayanai game da tsarinsa na ciki. Kodayake sakamakon ƙarancin ƙarancin ƙasa yana da mahimmanci daga matsewar nauyi, musamman a cikin tsakiya, Mercury ya fi ƙanƙanta kuma yankunan ciki ba su da matsewa. Saboda haka, domin ya sami irin wannan babban yawa, dole ne zuciyarsa ta kasance babba kuma mai wadataccen ƙarfe. Masana ilimin ƙasa sun kiyasta cewa zuciyar Mercury tana ɗaukar kusan kashi 55% na ƙararsa; ga Duniya wannan rabo shine 17%. Binciken da aka buga a 2007 ya nuna cewa Mercury yana da narkar da tsakiya. Kewaye da tsakiya shine 500<unk>700 km (310<unk>430 mi) mayafi wanda ya ƙunshi silicates. Dangane da bayanai daga aikin Mariner 10 da kuma lura da ƙasa, an kiyasta ƙwanƙolin Mercury ya kai kilomita 35 (22 mi). Wata alama ta musamman ta fuskar Mercury ita ce kasancewar ƙananan ƙananan ƙwayoyi masu yawa, wanda ya kai tsawon kilomita ɗari. An yi imanin cewa waɗannan sun samo asali ne yayin da zuciyar Mercury da mayafin suka sanyaya kuma suka ƙulla a lokacin da ƙarancin ya riga ya yi ƙarfi. Jigon Mercury yana da ƙarfe mafi girma fiye da na kowane babban duniya a cikin Tsarin Rana, kuma dabaru da yawa sun...  Tambaya: Yaya girman Mercury ya kwatanta da tauraron Ganymede da Titan?
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