单词 | Ostriker-Peebles halo |
释义 | Ostriker-Peebles halo [¦äs·trīk·ǝr `pēb·ǝlz ´hā´lō] ASTRONOMY A spherical distribution of matter of unknown nature that is postulated to exist to account for the stability of the highly flattened visible disk of the Milky Way Galaxy. |
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