Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: The Venera 12 (Rasha: Венера-12 ma'ana Venus 12) wani Soviet unmanned sararin samaniya manufa don gano duniyar Venus. An kaddamar da Venera 12 a ranar 14 ga Satumba 1978 a 02:25:13 UTC. Rabuwa daga dandalin jirginsa a ranar 19 ga Disamba, 1978, jirgin ya shiga yanayin Venus kwana biyu bayan haka a kilomita 11.2 a kowace dakika. A lokacin saukowa, ya yi amfani da birki na aerodynamic sannan birki na parachute kuma ya ƙare da birki na yanayi. Ya yi saukowa mai laushi a saman a 06:30 Moscow lokaci (0330 UT) a ranar 21 ga Disamba bayan lokacin saukowa na kimanin awa 1. Saurin saukowa ya kasance 7 × 8 m / s. Layin saukowa shine 7 ° S 294 ° E. Yana watsa bayanai zuwa dandalin jirgin sama na mintina 110 bayan taɓawa har sai dandalin jirgin ya motsa daga kewayon yayin da yake kasancewa a cikin kewayon heliocentric. An yi amfani da kayan aiki iri ɗaya a kan Venera 11 da 12.  Tambaya: Yaya saurin saukowa na Venera 12 ya tafi lokacin da ya shiga yanayin duniya na biyu na tsarin hasken rana?
11.2 km/s