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ʱ䣺2017-05-18 10:42:14

ʾԴںͼǻͼԴTushar MittalСڰ塡ǻһЩΧдϸʿ㼯ɻ״ǣǻǵ...

Դں

ͼǻͼԴTushar Mittal

Сڰ

ǻһЩΧдϸʿ㼯ɻ״ǣǻǵȻһתֻ״

ϣޣһΧһ˶ʱĵľСԱ˺ʱͱΪϣޡ18Ҷѧϣо⣬ϣޡЩΪһǽǵϣ޺󣬾ͻᱻ˺Ϊǻ

̫ϵԻǣľǡ뺣ҲлĸǶ̫ϵе̬ǡ̫ϵĸǣˮǡǡ򡢻ǣǹ̬ǣǶûл

˸ǰҲлܻһ˸ǵĻڹȥʮαΪֱΪڵǡһPhobosDeimosڽΪӾ档

ôƾʲô˵ǰҲлأôģʵֻתģҪȴӻڵ˵

ǵ

ǵǶС״򡣻һƽ뾶ֻ11.3ǧף1000֮һһĹ뾶ȷ˵ǰ볤ᣩΪ9376ǧףǻǰ뾶2.76

СڵıDzƽ뾶ֻ6.2ǧףΪһ߷֮һĹ뾶Ϊ23463ǧףǻǰ뾶6.92

ͼ1 һңĽͼԴ NASA/JPL-Caltech/University of Arizona
ͼ2 һǾʾͼͼƬԴMagenta Green/CC BY-SA 3.0

 

ܻһǺܽĹ뾶ֻлǰ뾶ĴԼ3֮£Ĺ뾶Լǵ뾶60Ϊʵ̫СʹûΪһڵµʳΪȫʳֻƫʳͻʳͼ3ڻСԶڵ̫µʳӰȻһڵʱСöࡣҪлĴСǡľǡʹлῴȫʳ

ͼ3 ŻdzµĻʳڵΪһԴNASA

ǵԴ

ԻǵԴǰdz۲ݣΪͬʱγɵģΪǻǷģΪһŽϴײ֮ɢ䵽̫еIJк۶ɵġǰģͶ޷ͻϵͳһģȻӺ޷ײγǵϸڡ

20166£ʱʼ̨Royal Observatory of BelgiumRosenblattڡȻѧNature GeoscienceһƪģֵģײγǵĹ̡

µֵģ⣬ڻγɺ1굽8֮䣬һСΪ֮һײ˻ǡ

ͼ4 ԭײǵͼԴUniversit Paris Diderot / Labex UnivEarthS

ײ󣬲һƬУγɻƻǵĻʷֲܹ㣬ֱdzϿպԶķΧڡ

ݻǵľ룬γɵĻΪڻ⻷󲿷֣ڻǣ⻷ԶһЩڻʵܶȱȽϴ󣬺ܿγһǣǽĻһ1000γɵĴǵ£⻷ڵΪԼʮСǡ

ڻγɵĴǣ⻷γɵĴ󲿷СҲǣֻʣСǣҴ߾ǻһڻһڵܶȵ⻷γɵģǵܶȱȻܶȵ͡

ͼ5 ײ󣩡γɻңγɴСǣңǿǣ󣩡СǣңԴA Trinh - Royal Observatory of Belgium

Rosenblatt ˵ģУһγɺͻٱ仯

--ѭת

Rosenblatt ˵ķ󲻾ãնɴѧҶУPurdue UniversityWest LafayetteϵHesselbrock򡢴ǿѧϵMinton µֵģ⣬2017320շڡȻѧ

HesselbrockMintonģײ֮γɵIJdzڵڵĻһǻһԶ棨ǰһԶ桱ڴ˺ڻ״̬״̬֮ѭת䣬ֱΪڵĻһ

ģУײеʻγɻһǰȻһǰǣ̫ԵĺΧи뼫޽ϣޣRoche limitľСһ崦ϣڣǸͻᱻһ˺飬ΪһĻ

HesselbrockMintonģ⣬ʮǰײγɵʻв˻һǰ󣬻һǰ״νϣڣ˺ΪֲܹĻдԼٷ֮ʮƬϣڣЩƬ䵽棬γʯ꣬ѻڳʣµĴԼٷ֮ʮĻϣ⣬ѻµǡˣµǵֻǰ֮һ

˺µٴνϣޡٴα˺ΪȻλϣڵĴֳΪʯ꣬䵽DZ档ʣµλϣDzƬγµǡ

HesselbrockMintonģ--ѭڹȥ43ߴΣÿζд䵽dzγɵǶ֮ǰСöࡣôεġ--ѭת֮󣬲γڿĻһġԶ桱Сöˡ

һĹ뾶仯һСʱͻֹıϲԻһӰ졣

ʯѻ

µģͣǰģͻDZĴأԽͻdzĶЩĺȴԼΪǧסЩﶼڻdzͻʹóɢѻĺȴﵽ2ǧסԺǿԷµĻdzоЩѻԼģ͵ȷԡ

һɻ

ǵÿ꼸׵ٶ뿪̫ϵǵǴҲԶӦǡֻڿԼƵǣһǻһһǺһTriton

ڻһڲϿǣ˿Ԥڣδijʱ̣ǵϣޣȻҪô˺ѣҪôǣֱײϻǡ

2015꣬ݴѧУUniversity of California BerkeleyǿѧϵIJʿBlackоMittalֵģ⣬óۣһ2000굽4000󽫱˺ѣɢֳΪһڵǻ࣬ԽʵIJֽǣֱײǡķڡȻѧ

ͼ6 һ𽥿ǣһδ˺Ϊʣ²ײǣԴBenjamin A Black & Tushar MittalNature Geoscience 

δһɻԤԣᵽHesselbrockMintonҲõƵĽۣγɵʱвͬΪ·ʱ7000Ժ

ܽһϼҪ֮һһ֮ǰǻʣ֮ǰѱָϸо˽һķչRosenblatt״θ˻γɵľ̡ڶHesselbrockMintonо״һγ֮ڣˡ--Ķѭ֮ǰΪһɲ䡣һڼǧ󻹻Ϊǻʱĵ˻ῴ׳۵Ļǻ

õĽ෢ĻdzԻdzѻչоЩоЩоǷȷĿԴɣ

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1Rosenblatt˵ģ

http://www.nature.com/ngeo/journal/v9/n8/full/ngeo2742.html

2HesselbrockMintonģ

http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2916.html 

3BlackMittalģ

http://www.nature.com/ngeo/journal/v8/n12/full/ngeo2583.html

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