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ĺ|2017-4-15 11:47

Դ:ҵ|:Ron Cowen|9350˲|0

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ĵǸʵǸӡ

ѧǽϵĹ۲󣬻ڵõڶƬ

ȷе˵ڴƬʵǺڶΧ򣬼ӽߡڴ˱߽ڣڵκζ޷ӳڶħơ

һι۲11:22ĿԱVincent Fishڿ԰ĵڰ칫ˣİ칫ҾλʡѧԺĺ˹̨ڡڹȥһڵʱȫֻܶ϶С˯ֻһֱԣ

һݻ㼯̨ѧҺ͹ʦᄎء˵Ҫһƿ50ʿɣһ˵ڸܡϣǿĿ񻶽ࡣ

رˣҲеظϣܺú˯һFish˵

ѹڴҲԼôҪʱŶӱȴº֪֮Լľ޴Ŭܷijɹ

±ѧѧHeinoFalcke˵һͼȻɫҲԣѾ״ںڶļ˻֤˶԰˹̹۵ijЩԤ⡣

˹̹1915ꡣΪʻʹʱյļνṹŤǻὫغڶĴھǰ˹̹۵ڶԤ֮һ

Falcke˵ֳغڶռʱյ㣬ܴ֪ܿʶռޡȻѧֻԼ֤֤Щڶÿϵġ㰮˹̹Ҳ޷ȷǷĴڡ

Falcke˵ͼ񡰽Ѻڶij壬ǿоʵ塣

ѧһ򽫵õźڶƬ

ʺģ廭ϵijغڶӡ

ͼNRAO, AUI, NSF

ѧһ򽫵õźڶƬ

Ѳۣ֮ͼ66ͺ/ǺԶALMAһ֡

ͼNRAO, AUI, NSF

ѧһ򽫵õźڶƬ

ǣϵĽdzغڶڡ

ͼNRAO, AUI, NSF

ѧһ򽫵õźڶƬ

̨룺һ̨̫Զϣϵĵͼ

ͼNRAO, AUI, NSF

ѧһ򽫵õźڶƬ

ӾһԶ۲⵽ңԶϵУһȦĵһڶ

ͼNASA/JPL-CALTECH

ѧһ򽫵õźڶƬ

Сǿ˳غڶѧǻ˽ڶϵĴɢ֤ݡͼXԶ㵽塣

ͼNASA, STSCI, MIDDLEBURY COLLEGE, F. WINKLER ET AL.

ѧһ򽫵õźڶƬ

ԣͼϵƷɫԲ㣬ϵСͺڶXߡ

ͼNASA, JPL-CALTECH, DSS

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ڶ緢ںϵϵʾֲɫʣԭھһغڶĴ󱬷

ͼNASA, CXC, SAO, R. VAN WEEREN ET AL

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ŹԶͼʾӴϵĵijغڶ

ͼNASA, ESA, STSCI

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ޣһԶ۲⵽ΪֹǿijغڶX߷䡣úڶԼ39ڹꡣ

ͼNASA, CXC, STANFORD, J.HLAVACEK-LARRONDO ET AL

ĥ˵Ԥ

ȡɾͣڴɽϼԭϸ̨ĶƻЭԵӷʽ໥ӵ̨磬һȿԶ档

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ͼJASON TREAT AND ALEXANDER STEGMAIER, NGM STAFF

ƣMARK A. GARLICK

ܳԶΪӽԶ44֮10ĴڽĿ档

Զ׼غڶһA*Sagittarius A*ĺڶλϵģ̫Լ400򱶣һλڸM87ϵģ̫Լ1,500

ǰӽԶ۲޵ܱ߻ǵһνϼԶͺ/ǺԶALMA

ԶʹӽԶľ10ӶԿϸ߶С壬ܹ㵽ڶΧСӽ硣

ʱ䣬оŶһֱڵԶĹ۲ʱ䣬Ϊÿط䱸ؼĵȻվǵȴ޷Ƶһء

ԶԲĹ

ƻյζںڶ޴ʵܶ塣ɾ޴̮γɵǺڶܽʮ̫ѹŦԼдСϵĵijغڶ̫ʮڱǵԴδ֮

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ͼJASON TREAT AND ALEXANDER STEGMAIER, NGM STAFF

ƣMARK A. GARLICK


A*

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ݰ˹̹̣ںڶģһźȫ̮ܶ޴ٵĵ㣬Ϊ㡣ܲڣǶУȴָһѧϵġ

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ΧA*ΧԼ1,280ӢﷶΧڵӽ磬Ϊⶼ޷ӳڶı߽硣

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ѧԺ׼ߵ粨۲ЩڶΪΧڣ͸ϵŨ볾Գͨص

ˮȴղߵ粨ˣӰ۲

Ϊ˽ӰСԶͨڸߺεĵطɽĮԭϣǣƶѩȻᵼ̨޷⣬ߺεǿҲԶ崻

Fish˵й۲ص㶼Ϻֿ㡣

ֻʱԽй۲⣬ˣFishͬÿ춼Ҫͷͷ۵ľߣǷü۲磬ÿ۲صĿǰ״ԼδǷб䡣ʡ̨FishһĻйעÿ۲ȻһĻѧǹͨ

˵ͣһȡ۲֮Ǻ۷ĸ˺ġӽԶĸShepDoeleman˵

Ĺ۲ʱȻѧҪݽгXµķȻȷܷΪڶһФ

ÿһ̨dzӴ޷ͨ䡣Զ൱һ̨ʼDZԵĴ洢ռ䡣Щװ1,024Ӳ̡Ӳ̶ҪĵʡHaystack̨ӽԶģԼ¹˹ʿѧо

ϼԶ洢Ӳֻܵȵ10µףҲǵض֮ܿ˳

ĺһѴѰ˸̨ռʱȶԺͬߵ粨ݱϸһйӽСṹĹؼϢŲƴϵʱʧ

ֻߵ粨ļ߸ѧʮձ顣һ£Զô࣬Ҳֲôɢ

ͼСһ;ò顣Doeleman˵

ѧϣźŶܺܿһ⻷һȦڶӰӣ״Ĺڼǧڶȸµķ塣ںڶ湫תӽ֮ijЩģʾ⻷һܱһ񡢸

ʹ޷ι۲еóͼDoelemanͬҲѾƻã׼øԶһΡ

Falcke˵ٹ10굽50꣬ǽԶչչ̫Уǽܵõͼ񡣡

ߣMikegao

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