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2015-2-13 20:46|鿴:4839|:0|:С

ͼ汻һڸš

ǣӢVenus̫ϵ˴֮һ̫ɽԶĴΪڶšйŴΪ̫ף糿ڶϳƳת224.71աҹȽŵڶоϣճǰԺʱ̡

һΪƣʱǽġǡҲ̫ϵΨһһûдųǡڰ˴нǵĹӽԲΣƫСΪ0.7%

ԵΪεĶ֮һֱǺ̫ͻᷢǶȷdzСʹʱҲֻ48.5㣬ΪǵĹڵڲࡣˣǿǵʱ򣬲峿ڰҷֱյĶࡣ

й˳ƽΪ̫ס̫׽ǡҲơ򡰳ʱơ峿ʱơϣ˳Ϊ߯ϣаŮ񡣶аŮά˹˽Ҳά˹Venusǵά˹ױʾ

ǵλ仯

ͬһҲԵԲȱ仯λ仯ڽǾ̫Զ޷ġǵλ仯٤Ϊ֤˵֤ݡ

Ҳ׵磬¼һ15ӡ

DZŷdzĴǵĴҪɶ̼ɣĵǴǵ93ĵرѹΪ92൱ڵ1ǧʱѹǿǵرܶΪ65kg/m³ˮܶȵ6.5%ǴеĴ̼ĴټϺƲ̫ϵǿЧӦʹýǵĵر¶462 C864 FʹãܽǾ̫ľˮ̫ܵΪˮǵ25%ر¶ȱˮǻȡˮǵرС¶Ϊ−220 C−364.0 F¶Ϊ420 C788 Fǵı泣ġǵر¶ɱ¶ȻߡûЧӦ¶Ȼ½400 Cڽĵ͵أǵı漫¶ȿɸߴ500 CܽǵתǵġһաȽǵġһꡱҪȹԺŨܴĶҹ²󡣴ϲķֻҪ4ƽһȵĴ

ŨƲѴ󲿷ֵⶼ̫գԽDZ̫ܵȽ٣󲿷ֵⶼֱӵDZ档ȷķʴԼ60%ɼķʾ͸˵ȻDZȵ̫ľҪõĹȴȵ١dz뵱ȻΪǵŨƲܹոʵ֤ûЩŨƲ㣬¶ȲŻߡǽǵĴж̼ڣصЧӦ½λӰ˴¶ߵģֻƲ㶥˵ĻDZȽϽӽ

DZǷdzЧĵ£ҹ֮䱣һ¶ȣڼغͳҲǵԶСڵתǣС3㣬Ϊ23㣩Ҳʹü¶ȱ仯С߶ȵ¶ȱ仯ϴ

Ʋ㶥˽ÿСʱ350ǧ׵Ĵ磬ڱȴǷƽ˾ÿСʱᳬǧסȻǵŨ̶ܳȣǷdzķҲо޴˷ǰǵƲҪɶɣȫDZ档õϵĹ۲͸۲DZ档ЩƲ㶥˵¶ȴԼΪ-45 Cռ̫ݱDZ¶464 CƲ㶥˵¶ǽ͵ģ¶ȴӲ400C

ò

ڽDZĴƽԭҪĴ½״ߵءߵĸߵؽʦأӵнߵ˹ΤɽԼϲɽ߳ǧףǸղķ˹ˡ˹Τġ˹ΤɽΧ׸ԭʦشԼаĴôϰиİ߯½൱Щߵ֮ĵ͵أаƽԭ͵ءάƽԭ͵Լάƽԭ͵ء˹Τɽ⣬еĽǵòʵеĻеŮڽŨĴڵDZ֮ǰ٣ԽϵʯӶ3.2ǧס

Լ90%ĽDZɲ֮ǰŹ̻γɣȻҲмʯӡǽھ¹ǵڲƵģ뾶Լ3000ǧ׵ĵغ˺ҹɵĵ˽ǵľ󲿷֡׺ŵݱǵĵؿDZԭΪĸҲ̡ԾݴƲûĿƶİ鹹죬ȴдйɵɽ緢鲼DZ档ϵ8ʷ൱ᣨҲʱķֱǵĻɽڸȵɻԾ

DZĴų̫ϵǷdzġΪǵת죬غ˵Һ̬Ĵųɵġһ̫ͿԺ޻ײϲʱΪǺ͵ˮ൱Ȼ̫ĹѾýϲˮֽΪԭΪСݵ̫ա뮣һͬλأϴݵýıƺ֧ۡԪؿеʻϣڴûDZʮָɺԽϵʯҪȵϵĸӲӶγ˸͵ɽͱںò

⣬̽̽⣬ֽǵҽﺬˮ

תת

224.65̫תһܣƽΪһڰ˰ǧסȻеǹԲģǹС0.01ǵλýڵ̫֮ʱΪºϣںϣκһǸӽʱƽ4,100ǧףƽÿ584췢һºϡڵͽǹʶڼ٣ӽľӡʽϴڼ䣬ľԽӽ3,820ǧס

ǵת243죬ҪתġǵĺձȽǵһ껹Ҫ243224.7գǽǵ̫ձȺΪ̣ڽDZĹ۲ÿ116.75ͻῴ̫ûһΣζŽǵһˮǵһ죨176գ̡̫Ȼڶ¡ڳתֻ6.5ǧ/СʱڳתٴԼ1,600ǧ/Сʱ

̫Ͽ̫ϵеǶԷʱ뷽תǽ˳ʱתǵ˳ʱתеתǵתʱνͽתĻУѧҵһ⡣̫γʱǵٶһڸ죬ͬתʾʮУŨϵϫЧӦԭתٶȣݱɽ״

˺ǽƽ584Ļڣ5ǵ̫գżȻֵĹϵϫĽ޴ӵ֪

ȻС2002 VE68άƵĹĿǰûȻǡ ݼѧԺAlex Alemiʷѷ˶̫ϵоģʾʮǰɾ޴ײ¼йһǡAlemiʷѷ˵Լһǧһεײıǵתʹýǵܵڣֱײ϶ΪһײǣҲᱻͬķյAlemiʷѷĿǰоѧǷɣҲȻδ

۲

DZκǶҪ̫Ϊ−4.9ǵȣڵʱڡ̫ʱȽΪԼ−3ǵȴ󵽼ʹĸɾҲܱ̫ƽʱ׿ǡ Ϊһڲǣλ̫47㷶Χڡit always lies within about 47 of the Sun.

ǴСıȽϣΪˮǡǡ

2004

DZ̫ϵĺǻҪ̫ƽϿ

ǵĸͱֱı仯

ڼѧĽ

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Ϊһǣ˹԰Ů˹ûз˿ɴµ״ηķѧǷᡤơ1672ɵġѧҶ˹ǹ۲һֱ1982꣬Щ۲֮ܵ˻ɣʵ谵ǡõʱǡõλϣΪûǡ

̽

̫̽̽ǰеѧΪǵĻѧ״͵ƣڽϷĿԱȻǻ1950ڣѧԶһι۲˽ǵı档1961Ƿ30̽ӽ۲⣬½̽⡣

ձоJAXA20105·Ľ̽ţԭ2010127սǹſʼ淴䡢׼ٶȽǹʱͨѶ豸ȴϣָĶʧͣڣDzűȵ2016ٶȽӽǹСʾʱ𣬽ٴս

ֳ

߿սHigh Altitude Venus Operational ConceptHAVOCƻĿǰNASAάݵĺն٣HamptonоģLangley Research CenterУϵͳ»ĹʦͿѧѾʼĿмƻ˺Ƿʵ̫չʦ˹Christopher A. JonesʾǴԿѧҺ̽˵һʤ̱ʹñȿķɴԳػ豸̫̽߿ɾס̫̽մ̫˿̽dz1¡ͬʱҪʱȻǶ̣Ϊ̽ǵԤϰĿڽǵĴУѰϢ԰50ǧ׸ߵķɴУֻȵһ㣬಻öԿ״̬ҲͲصļήɵ⡣HAVOCDZشչļƻ͸ȥӲԣʵ˽NASAĿǰ޴Ͷʽ𣬵ŶԳоϣNASAƻ档

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