“Jewel Box”的概念、定义、翻译、参考文献-科学参考

Jewel Box

Astronomy

A 4th-magnitude open cluster in Crux, near the Coalsack dark nebula, also known as NGC 4755 or the Kappa Crucis Cluster. Most of the bright stars in the cluster are blue-white in colour, including Kappa Crucis, a magnitude 5.9 supergiant, but an 8th-magnitude red supergiant lies near the centre. The cluster is just under 5000 l.y. away. It was named by J. F. W. Herschel who compared it to a collection of jewels. The name Jewel Box is sometimes also applied to M6 in Scorpius, better known as the Butterfly Cluster.
http://www.eso.org/public/images/eso0940a/
http://www.eso.org/public/images/eso0940b/

单词	Jewel Box
释义	Jewel Box Astronomy A 4th-magnitude open cluster in Crux, near the Coalsack dark nebula, also known as NGC 4755 or the Kappa Crucis Cluster. Most of the bright stars in the cluster are blue-white in colour, including Kappa Crucis, a magnitude 5.9 supergiant, but an 8th-magnitude red supergiant lies near the centre. The cluster is just under 5000 l.y. away. It was named by J. F. W. Herschel who compared it to a collection of jewels. The name Jewel Box is sometimes also applied to M6 in Scorpius, better known as the Butterfly Cluster. http://www.eso.org/public/images/eso0940a/ http://www.eso.org/public/images/eso0940b/
随便看	SciSat-1/ACE scissoring sclera Scleractinia sclereid sclerenchyma sclerometer sclerophyllous scleroprotein sclerotic sclerotinite sclerotium sclerotization SCLK SCLM Scobee, Francis Richard (1939–86) scolecodont scolecoid scolex Scolicia scope Scopes case (July 1925) scopuli scopulus score