http://valley.egloos.com/tag/m20 m20 ko Sat, 16 Oct 2010 22:29:13 +0900 Egloos http://ministory.egloos.com/4481193 http://ministory.egloos.com/4481193 ]]> Sat, 16 Oct 2010 22:29:13 +0900 http://ministory.egloos.com/4480611 http://ministory.egloos.com/4480611 ]]> Fri, 15 Oct 2010 16:50:42 +0900 http://gomdori7.egloos.com/10550136 http://gomdori7.egloos.com/10550136 Sun, 08 Aug 2010 21:40:37 +0900 http://conodont.egloos.com/2294487 http://conodont.egloos.com/2294487 (출처 : M20은 메시에가 1764년에 발견한 산광성운으로 궁수자리(Sagittarius)에 있는 매우 유명한 천체입니다. 암흑 성운(Barnard 85 - B85) 에 의해 3부분으로 나뉘어 '삼렬(삼엽) 성운' 이란 애칭을 가지게 되었으며, John Herschel이 삼렬성운이란 표현을 처음으로 사용했다고 알려졌습니다. (출처 : (출처 : June 5, 1764. 20. 17h 48m 16s (267d 04' 05") -22d 59' 10" `Cluster of stars, a little above the Ecliptic, between the bow of Sagittarius & the right foot of Ophiuchus. Reviewed on March 22, 1781.' (출 ]]> Wed, 11 Mar 2009 02:35:23 +0900