Kupfuura: Venus ine mhepo yakanyanyisa kusimba inoumbwa ne96.5% kabhoni dhayokisaidhi, 3.5% nayitrojeni, uye zvisaririra zvemamwe magasi, kunyanya sulfur dioxide. Hukuru hwemhepo yayo yakapetwa ka93 yeiyo yePasi, nepo kumanikidza pamusoro payo kuri kanenge ka92 pane kwePasi <unk>a kumanikidza kwakaenzana neiyo pakadzika kweinenge 1 km (0.62 mi) pasi pemakungwa ePasi. Kuwanda pamusoro kuri 65 kg / m3, 6.5% yemvura kana makumi mashanu akawandisa sePasi mhepo yegungwa pa293 K (20 ° C; 68 ° F) pamwero wegungwa. Iyo CO2-yakapfuma mhepo inogadzira yakasimba kwazvo greenhouse mhedzisiro muSolar System, ichigadzira tembiricha yepasi inosvika kanenge 7 K (435 ° C; 864 ° F). Iyi tembiricha inopisa kupfuura yeVenus's Mercury, iyo ine tembiricha yezuva ye53 ° K (−362 ° F); uye kunyange iyo tembiricha yepamusoro yeMercury inenge yakapetwa kaviri kupfuura yeMercury.
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