单词 | praesepe |
释义 | PraesepePraesepe(praɪˈsiːpɪ)PraesepePraesepe(prēsē`pē) [Lat.,=manger], open star clusterstar cluster,a group of stars near each other in space and resembling each other in certain characteristics that suggest a common origin for the group. Stars in the same cluster move at the same rate and in the same direction. ..... Click the link for more information. in the constellation Cancer; cataloged as M44 or NGC 2632. It was first recorded by Hipparchus (c.150 B.C.). The cluster is often called the Beehive because of its shape. It contains several hundred stars, many of which are doubles. It is faintly visible to the naked eye and an excellent object for a low-power telescope. Praesepe(pri-see -pee) (Beehive; M44; NGC 2632) A large open cluster in the constellation Cancer with over 200 known stars. It can almost be resolved by the naked eye but is best viewed with a very low-power telescope or with binoculars.Praesepe(Beehive), an open cluster in the constellation Cancer. (SeeSTAR CLUSTER.) Praesepe[′prē·sə‚pē] |
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