7月23日12时41分，中国首次火星探测任务天问一号探测器，由长征五号遥四运载火箭发射升空。央视网官方用“火星文”发了一条微博：恏渏亾類哋夲能。
04:59cr:Seeker
无注释原文：
Chinalaunchesindependent,unmannedMarsmission
Reuters
China’slargestcarrierrocket,theLongMarch5Y-4,blastedoffwiththeprobeat12:41p.m.fromWenchangSpaceLaunchCentreonthesouthernislandofHainan.
TheprobeisexpectedtoreachMarsinFebruarywhereitwillattempttodeployarovertoexploretheplanetfor90days.
Ifsuccessful,theTianwen-1,or“QuestionstoHeaven”,whichisthenameofapoemwrittentwomillenniaago,willmakeChinathefirstcountrytoorbit,landanddeployaroverinitsinauguralmission.
TherewillbechallengesaheadasthecraftnearsMars,LiuTongjie,spokesmanforthemission,toldreportersaheadofthelaunch.
“WhenarrivinginthevicinityofMars,itisverycriticaltodecelerate,”hesaid.
“Ifthedecelerationprocessisnotright,orifflightprecisionisnotsufficient,theprobewouldnotbecapturedbyMars,”hesaid,referringtogravityonMarstakingthecraftdowntothesurface.
LiusaidtheprobewouldorbitMarsforabouttwoandahalfmonthsandlookforanopportunitytoenteritsatmosphereandmakeasoftlanding.
“Entering,decelerationandlanding(EDL)isaverydifficult(process).WebelieveChina’sEDLprocesscanstillbesuccessful,andthespacecraftcanlandsafely,”Liusaid.
AbriefhistoryofMartian
Quartz
Martiandatesbacktoatleastbutitsoriginsaremysterious.ItsuseappearstohavebegunamongyoungpeopleinTaiwanforonlinechatting,andthenitspreadtothemainland.Thecharactersrandomly