ʾ, ϵľ , ǡ , ڵ ϲ ò , Ϊ 顣 ڵ ǻ ø ܡ Ȼ ϵľ , Ķ Dz , ı Ҳ Dz ɵġ ô Dz ǻ һ ?

Ȧ
Ů
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Ĺ ʶ , ŷḻ Ŀ Դ Ƿ ,ȴ и 顶 ڰ պ һ : Ա ǰ , һ ż һ ,ʹ 廰 ٴ 롭
1957 10 4 , Sputnik I( 1 ), Ϊ һ յĹ ҡ ijɹ , ս յĵ 1957 11 3 , Ϊ һ յ , Sputnik 2( 2 ) С 1959 9 14 , ġ ɡ 2 Ϊ Ͻ ĺ ں , һ ɡ 3 һ Ƭ 1961 4 12 , Ա Ӽ Ϊ յĵ һ , 1 š ɴ Ƶ С 1961 5 5 ,ʩ ų Ϊ һλ յ ˡ 0 && image.height>0){if(image.width>=700){this.width=700;this.height=image.height*700/image.width;}}" hspace=12 align=left src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ksohtml/wps_clip_image-25702.png" width=256 height=352>
պ NASA, Ҳ 60 , պ ʵʩ Ա ķ , Ϊ һ ˡ ĵ ת ķ ʺ Ķ Ѱ ȵ Ļ 档 Ȼ µ һ Ƭ, Ǽ Ա , һ µġ Ƭ Ӣ д : Ա һС , һ
ʵ , ķ ǵĵ һ ε ж , NASA 籨 µĹ ν ķ ʺ Ļ 2Сʱ , Ա Ƿ ص յ , ط һ ض ͷ ڵ ϲ е Ա ,һ Ӿ ˡ , С ĵ , ζ ļ Ϊ ؼ һ ء û , ǽ , Զ ϡ
Ϊ, Ա ڰ ķ ǰ Ա ǰ ӵ еĿƼ ˮƽ, Ը ʱ ĿƼ ˮƽ, Ϊ Щ ｨ 档 , չʾ һЩ Ƭ Щ Ƭ ij ʱ, , Щ Ƭ ʵ NASA
պ 23 Ŀϡ Լ , 롰 11 š µļƻ ϡ Լ ٵ Ҫ , ռ Ա 㵽 Ƭ ϡ Լ ٽ ,NASAΪ Ҫ һЩ , ƹ Ƭ û ʾ Ƭ, ȴ Щ Ƭ ϡ Լ Щ Ƭ ṩ 顶 ڰ , ṩ 漰 պ Ƭ, ŭ ҡ
NASA ƽ ʵ ҹ , Ҳ ڰ һ еġ ϡ ȷʵ Կϡ Լ ڡ ݴ Ҫ Լ Զ , Լ ٳ NASA Ĺ ԱҲ ɷ ı Լ ǿ п NASAΪʲô Թ Ա λ ? ϧ ?
2006 8 13 ,NASA ռ ĵ ϱ Ա , 11 š ʼӰ ϲ ˡ Ĺ Ա, 8 14 ղ һ , Ȼ ϱ NASA 8 15 ,NASA ʽ Ѱ ж С 顱 Ȼ ڴ Ķ , ȫ Ը , Ҽ Щ Ӱ ϻ ں , Щ ڶ ʼӰ ʼ ղ Ӱ
Щ ʼ ڸ º ,1970 걻 ҵ ݡ 1984 ͻظ ݸ Ѱ Ա, ɷ ( ) Ľ , ƺ Щ Ӧ ñ ת Ƶ ĵ ϵͳ С Ҫ , DZ ת , ô ɲ ?Ϊʲô Щ ϵ Ҳ ϵ ?
0 && image.height>0){if(image.width>=700){this.width=700;this.height=image.height*700/image.width;}}" hspace=12 align=left src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ksohtml/wps_clip_image-28406.png" width=298 height=225> ڰ һ , Ȼ ϡ Լ ٵĹ 㡣 ý ǰչʾ NASA һЩ Ƭ Ϊ NASA Ƭ Ͼ ʲô, ѡȡ һ NASA Ƭ, һ ſϡ Լ ṩ ʼ Ƭ Ƚϡ ʼ Ƭ , Ավ , Ǻڰ ա ڰ յ , ʱ Ƭ г ʵĹ ߡ NASA Ƭȴû ʵĹ ߡ Ƭ ı ʲô ? Ա Ͼ ʲô ?
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ʾ, ϵľ , ǡ , ڵ ϲ ò , Ϊ 顣 ڵ ǻ ø ܡ Ȼ ϵľ , Ķ Dz , ı Ҳ Dz ɵġ ô Dz ǻ һ ?                            Ա
0 && image.height>0){if(image.width>=700){this.width=700;this.height=image.height*700/image.width;}}" hspace=12 align=left src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ksohtml/wps_clip_image-11648.png" width=265 height=199> , ȷ ķ ʽ, ʼ Ƭ ʱ , Dz Կ IJ ɫͼ , к Ư ɲ ƳɵĽ , , Ա , Ա 㵽 Ƭ
Ϊ, , Ա ǰ , 档 Լ յ , Ϊ Ա ڵ º , Щ ż , , ij װ á ô Щ ʲô