Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Yawancin farfajiyar Venus sun bayyana sun kasance ta hanyar aikin dutsen mai fitad da wuta. Venus yana da sau da yawa kamar yadda yawancin dutsen mai fitad da wuta kamar yadda Duniya, kuma yana da manyan dutsen mai fitad da wuta 167 wanda ya wuce kilomita 100 (62 mi). Gidan dutsen mai fitad da wuta kawai na wannan girman a duniya shi ne Babban Tsibirin Hawaii. Wannan ba saboda Venus ya fi aiki fiye da Duniya ba, amma saboda girmanta ya tsufa. Ana ci gaba da sake yin amfani da ƙarancin teku na duniya ta hanyar subduction a kan iyakokin faranti na tectonic, kuma yana da matsakaicin shekaru kimanin shekaru miliyan 100, yayin da aka kiyasta cewa farfajiyar Venus ta kasance shekaru miliyan 300-600. A lokacin shirin Venera na Soviet, Venera 9 orbiter ya sami shaidar hasken walƙiya a kan Venus, kuma Venera 12 saukar da bincike ya sami ƙarin shaidar walƙiya da tsawa. Hukumar Kula da Sararin Samaniya ta Turai ta Venus Express a 2007 ta gano raƙuman ruwa masu ƙara ƙara tabbatar da faruwar walƙiya a kan Venus. Ɗaya daga cikin yiwuwar ita ce toka daga fashewar dutsen mai aman wuta ya haifar da walƙiya. Wata hujja ta zo ne daga auna yawan sulfur dioxide a cikin yanayi, wanda ya ragu da kashi 10 tsakanin 1978 da 1986, ya yi tsalle a shekara ta 2006, kuma ya sake raguwa sau 10. Wannan na iya nufin cewa matakan sun karu da yawa sau da yawa ta hanyar manyan fashewar dutsen mai fitad da wuta.A cikin 2008 da 2009, Venus Express ya lura da hujja ta farko kai tsaye don ci gaba da aikin dutsen mai fitad da wuta, a cikin nau'ikan wurare masu zafi na infrared guda huɗu a cikin yankin Ganis Chasma, kusa da dutsen mai fitad da wuta Maat Mons. An lura da uku daga cikin tabo a cikin fiye da ɗaya mai zuwa. An yi tunanin cewa waɗannan tabo suna wakiltar dutsen da ya fito ne daga fashewar aman wuta. Ba a san ainihin yanayin zafi ba, saboda ba za a iya auna girman wuraren zafi ba, amma ana iya kasancewa a cikin 800<unk>1,100 K (527<unk>827 ° C; 980<unk>1,520 ° F), dangane da yanayin zafin jiki na 740 K (467 ° C; 872 ° F).  Tambaya: wace duniya ce ke da walƙiya?
Venus