| 单词 | extragalactic nebula |
| 释义 | extragalactic nebula (extremely rare) n WORD FAMILY extragalactic nebula n (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust ` extragalactic nebula' is a former name for `galaxy' Syn|Exp|Hypo|Hyper galaxy Magellanic Cloud either of two small galaxies orbiting the Milky Way; visible near the south celestial pole spiral galaxy, spiral nebula a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center Great Attractora massive grouping of galaxies in the direction of Centaurus and Hydra whose gravitational attraction is believed to cause deviations in the paths of other galaxies Milky Way, Milky Way Galaxy, Milky Way Systemthe galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky Andromeda galaxya spiral galaxy in the constellation of Andromeda that is visible to the naked eye accumulation, aggregation, assemblage, collection several things grouped together or considered as a whole |
| 随便看 |
|
英语词典包含147318条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。