martian

DetectingthelightofthenightskyinMars

i

【期刊名称】《自然科学期刊（英文）》

【年(卷),期】2011(3)4

【摘要】Inthispaperanewmethodologyisoutlinedtodetectthedust

revious

LandermissionstoMars,scientistswereabletodeterminethedustloadin

theMartianatmosphereduringdaylightusingspectrallinesoftheSun.

SincethedynamicsofMartianduststormshadbeendeterminedtobe

veryrapidchangingovertimesofhoursandnotdays,itisimperativeto

determinethedustloadduringnighttime,sofutureastronautstoMars

nalsofactorthis

methodology

greatlyimprovesontheclassicalmethodfordeterminingtheextinctionin

theEarth’ssicalmethodusobrvationsofbright

starsfromwhichtheopticaldepth,?total,canthenbededucedfromthe

ssicalmethodsucceedsreasonably

wellathighelevationanglesfromthehorizonbutfailsdramaticallyatlow

determines?totalfromtheslopeofaplotof

t

showsastraightlineathighelevationsangles,whichthencurvesand

methodology

bypassthisveredifficultybysimplyeliminatingthisplot,andby

acquiringthebrightnessofabrightstarabovetheatmosphere(no

extinction)andcomparesittotheobrvedbright-nessofthesamestar

belowtheatmosphereatallelevations.

【总页数】6页(P285-290)

【关键词】

Mars;Nightsky;Bright;Stars;Atmospheric;Extinction;in;Mars';Nightsky;Detecti

ng;Atmospheric;Dust;in;Mars;Detecting;Martian;Dust;storms;During;Night

【作者】i

【作者单位】不详

【正文语种】中文

【中图分类】R73

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