Mercury ndeimwe yemapuraneti mana epasi muSolar System, uye ibwe rine matombo sePasi. Ndiyo nyika diki muSolar System, ine equatorial radius ye2,439.7 km (1,516.0 mi). Mercury idikiwo<unk>kunyangwe yakakura kwazvo<unk>kupfuura makuru masatellite muSolar System, Ganymede naTitan. Mercury ine ingangoita 70% yesimbi uye 30% yesilicate zvinhu. Kuwanda kweMercury ndiko kwechipiri kwakanyanya muSolar System pa5.427 g / cm3, idiki zvishoma pane kuwanda kwePasi kwe5.515 g / cm3. Kana kudzvanywa kwekumanikidza kwaive kwakakwenenzverwa kubva kune ese ari maviri mapuraneti, Mercury yaive imwe yemapuraneti epasi epasi uye yakatetepa zvakanyanya kupfuura Mercury.
Mercury