...由10颗以上的恒星,各成员间因引力束缚而聚在一起的恒星群,我们称之为星团,依其形态可分为两种:球状星团(globular cluster):外形呈球状对称或接近球状对称而得名,星团内的恒星十分密集,由数千甚至数十万颗恒星所组成的集团,直径约 100光年。
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disk globular cluster 盘族球状星团
proto-globular cluster 原球状星团
halo globular cluster 晕族球状星团
Great Globular Cluster in Hercules 武仙座大球状星团
For example, models and isochrones appropriate for globular cluster stars have shown that the inclusion of diffusion reduces the main sequence lifetime and effective temperatures of the stars.
例如,通过讨论球状星团恒星的模型和等时线发现元素扩散可以减少恒星主序阶段的年龄同时降低恒星表面的有效温度。
参考来源 - 利用星震学方法探测小质量恒星的重元素扩散效应·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N a densely populated spheroidal star cluster with the highest concentration of stars near its centre, found in the galactic halo and in other galaxies 球状星团 [astronomy]
Globular cluster 47 Tuc is also home to exotic X-ray binary star systems.
球状星团47 Tuc中也存在一些奇怪的紫外双星系统。
NANCY GRACE ROMAN: "I think the image that to me was most striking was the center of a globular cluster."
罗曼:“我觉得那张图片最让我印象深刻的是球状星团的中心。”
The image shows both old stars and youngstars, a galactic globular cluster and emission from dust in our owngalaxy
图像既显示了老星,也显示了新星,还显示了一个星系的球状星团和我们自己星系尘埃的辐射。
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