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- According to the nebular hypothesis, a cloud of interstellar dust and gas underwent gravitational contraction, eventually forming a solar nebula. 根据星云假说，星际尘埃和气体的云块经历重力的收缩后，最后形成太阳星云。
- Kant published widely, on a large number of subjects, including science, resulting for instance in the Kant-Laplace theory, or the ‘nebular hypothesis’ concerning the origin of the solar system. 康德著述领域甚广，涉及很多方面。
- (astronomy) the nebular hypothesis of the origin of the solar system （天文学）关于太阳系起源的星云假说
- (astronomy) the nebular hypothesis of the origin of the solar system. （天文学）关于太阳系起源的星云假说。
- Fine dust in the nebula reflects the light. 星云中细致的尘埃反射了星光。
- the nebular hypothesis 星云假说。
- Yes! Perhaps this is the nebula charm in it place! 是呀!也许这就是星云的魅力所在之处吧!
- Ultraviolet radiation from the hot star powers the nebular glow. 从炽热恒星放射出的紫外线激发了星云，并使它发光发热。
- Kant and Laplace nebular hypothesis 康德和拉普拉斯星云说
- The dimmer star emits ultraviolet radiation to illuminate the nebula. 较暗的那颗星发出紫外线,令星云产生鲜艳的颜色。
- All these fact have borne out the hypothesis. 所有这些事实证明了假设的正确性。
- They tower above the surface of a molecular cloud on the edge of the nebula. 它们从星云底部的一片分子云表面耸立而出。
- Hubble's view of the nebula shows star birth in a new level of detail. 哈勃所拍摄的星云图片从一新的水平展示了行星产生的具体细节。
- Streams of gas leaving the nebula are funneled by a strong magnetic field. 离开星云的气流在强磁场的作用下，形成了一个漏斗的形状。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- The temperature of the nebula in some places may never have risen high enough to evaporate pre-existing micron-sized interstellar grains. 星云中某些地方的温度可能从未升高到足以使原有的微米级大小的星际尘埃变成气体。
- There are 26 letters in the English alphabet. 英语字母表中有26个字母。
- Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
