单词 | 棕色矮星 |
释义 | 〔MACHO〕Any of various massive dark objects, such as a brown dwarf star or large planet, in the outermost regions of a galaxy, that may explain the observed anomalous rotation of most galaxies.天体紧密光圈物体:在银河系远程的各种巨大黑色物体,如棕色矮星或大行星,可对观测到的多数银河系不规则自转做出解释 |
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