The hot, massive, high-luminosity stars of spec tral types O and B are not distributed uniformly over the Galaxy but are grouped into extensive, separate aggregates that have come to be called associations.
英
美
释义
O型和b型的大质量高光度热星在银河系中分布并不均匀,而是聚集成为分开的大星群,即所谓星协。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载