| 单词 | galactic cluster |
| 释义 | galactic clustergalactic clustergalactic clustergalactic cluster:see 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. . galactic clustergalactic cluster[gə′lak·tik ′kləs·tər] |
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