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2015-2-14 13:35|鿴:2750|:0|:С

ڲͬǹƲĺʾӴΧ

ڲͬƲĺʾӴΧ

ʾӴӢcircumstellar habitable zone, CHZѧϸһռƣָϵʺڵʾӴеķչҿָߵпܵģһϵڣһϵ֮СʺϵڵǺȻѵĺѡߣЩǵĻ¡ѧܷ̫ϵʾӴCHZʹϵϵʾӴGHZ ڣȻѧҶԺߵоŸտʼʾӴҲ̴ָ򡰹ŵ˴Goldilocksǵ̫ϵУʾӴΪ0.991.70ĵλ֮

581gں찫Ǹ 581 Լ20꣩Էֵĵǡ581gѧҷϵУλʾӴеӡĿǰѧҽʮλʾӴУ̫Զȷ54λʾӴСѧĿǰϵ500,000,000λʾӴС

ʾӴ

һϵͳڣDZʾӴڲʾӴڸǰΪںΧ״ռ䣬ڷΧڵDZ¶ȶӦʹˮάҺ̬Һ̬ˮΪҪģΪĽɫΪﻯѧӦҪܼ1959꣬ѧҷ֡Īɭ塤ƿѰƻоᵽ򡣸ˡ׿1961꽫õ׿˷ʽʹΪ֪

ʾӴǵľ룬úǵĹȵĴСѡĺǣķʽķΧ

d_{AU} = \sqrt {\frac{L_{star}}{L_{sun}}}
˴
d_{AU} \,ĵλȵʾӴ룬
L_{star} \,Ǻǵķȷȣ
L_{sun} \,̫ķȷȡ

磬һŷ̫25%ĺǣʾӴԼ0.5ĵλĸ̫ĺǣʾӴľԼ1.4ĵλΪѭƽȶɣڼ () ƵĴͺȣϵʾӴĸǵľ룬ȻƵȫƽ¶Ȼ

һźΪݻøӣʾӴʱơԴڵʱ䣬ǹάʾӴԽԽ롣

ҲҪӰ졣ǵ¶Ȼܵĺ仯

̫ϵʾӴ

ɫ̫ϵʾӴdzɫ̫ϵʾӴ

ɫ̫ϵʾӴdzɫ̫ϵʾӴ

ѧȻûһ̫ϵʾӴΧͳһ˵Щ˵ŵʾӴҪ0.7253.0ĵλ֮䣬ȫ⵽˲ѧҵɡ磬Ĺλ̫ϵʾӴԵĶ̼¶ȸߴ462 C864 FȫʺϾסͰλڲ˵ŵʾӴڣһǻڼڵı仯ȴڱ޷汣Һ̬ˮ

ˣ󲿷˵ָһĴȻӰʾӴλáչʾӴָһȵȵǸԶ汣Һ̬ˮ667Cd͸581dܹ汣Һ̬ˮϵǵĵӡ

̫ϵʾӴ˵

ԵAUԵAUע
0.7251.241964͸ѧ͹̶ʵóǵԶյպλʾӴڡ
1.385C1.3981969͸ȫʱıʵó˵ѧ˹ŵ֧֡
0.88C0.9121970ݲǴóն͵±ָʾӴڲγȶ
0.951.011979ݲɷֺͱ¶ȵó˵ʱá
3.01992ݲ̼ѭóʾӴԵ
1.371993ݲƷʵȴЧó
2.02010ݲ͹ʵóҺ̬ˮʾӴڲܳ֡
0.752011ݹɳĮֱڵСó
0.770.871.021.182013ݲѹóʾӴǵѹҪ15͡
0.991.6882013ݲʧصЧӦʧˮ㷨óֻڴѹʹɷǡ
0.52013ݹƴɷ֡ѹʪȵó
0.972013ֻڴѹʹɷǡ

ϵʾӴ

λʾӴڵϵ

ұµλʾӴڵϵ

ϵϵڵλҲǾܷչأ͵ϵʾӴĹȻֹ⵽ɡ

Ҫһ̫ϵҪ㹻ӽϵĺģ㹻ԪأγʱܹΪʯɵǡԪرڣΪɸӵģǹѪأɼ״ټصĻﶼҪʣ

һ棬̫ϵϵҲ빻ԶСǺǵײǵĽըϵڶȵߡԳǵķԴӰ컹Ʋ⣬ϵĵĴʹ츴ӵķӸγɡͬģϴϵԲϵǼͳѾľЩѾǺǵҪǵĵԶΧΪ͡

оʾԪصĺǽҲӰ죬ԽߵĵƺԽо޴ڽĸǵĹתϫᵼκͬǸıͱ״֮ǰͽݻ١ЩԭϵʾӴ಻ȷضԱȷϡңĴҲ̫̫̫γɽǰļ߱¶ȣ̫ʹDZɻǰɳĮǡ

ǵϵϵʾӴΪչӺ25,000꣨8,000ࣩ ֮Щ4080ڵĺǡϵΪϵIJͬϵʾӴܸҲܸСûС

ϵʾӴGHZŵGoldilocks ZoneһŵԴͯµĹŵˣͯеŮϲȲֲ̫̫ȡࡣѧղķ˹Ǽ˵ʱʱ˵-15棨5Hϼһ࣬Cryptoendolith121棨250HΧϸ¶ȶУɾ¶258394KһķΧڡ

δļDzϵʺϵǴڵλúǶϵʾӴи˽⡣

ʾӴĹڰʷͽܿˡ¶˺ġ˵Evolving the Alienһ⵽СɣһҪ͵ȫһڶʹ裬ҲǰʾӴⴴʺڵŷް;ͱΪڱƵĺ󡣾ŷްͲʾӴڣڵϵȼʹŷްļ˵дʡѧҿϣľҲСڸֲͬĻ¿ԷִŲͬʽ¶ЩƵļ˵̫صġ

̶ͬȵɽǵûǵӰǵķˮƽı֧ͬʱƵڼԴijʹȽļֲʺŷް͵ĻôһŴʾӴǨƳǣͷdzǨʺijС

󲻾ãڵص棬ԱܿϵϿỷѧ֤ڵص档ʵϣѧڵ򳬹10ĵص·ˣΪλʾӴڵDzʺ档

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