他现在只不过是一颗火热的心，被一团发光的云所包围，他像一个巨大的钟摆一样，在不可思议的摆动的弧线上摇摆。
Encompassed in a luminous cloud, of which he was now merely the fiery heart, he swung through unthinkable arcs of oscillation, like a vast pendulum.
这道光环也可以解开另一个卫星“土卫八” （Iapetus）的迷团。 “土卫八”一侧发光，另一侧很暗。
The ring may answer the riddle of another moon, Iapetus, which has a bright side and a very dark side.
霍金曾经说过：“黑洞并不是真的漆黑一团，它们像一个发热体一样发光。它们的体积越小，发出的光就会越亮。”
Hawking has said that "black holes are not really black after all: they glow like a hot body, and the smaller they are, the more they glow."
它看起来不像固态物质，更像一团发光的气体。
It didn't look like matter. It looked like a bundle of glowing gas.
密度泛函；团簇；储氢；发光材料。
Cluster; Hydrogen Storage; Density Functional Theory; Organic Solar Cell Material.
把计算出的质量和星系团中发光星系的总质量相比较，就能确定出星系团中存在多少暗物质。
Comparing the calculated mass and the total mass of the light-emitting galaxies in the galaxy cluster would determine the amount of dark matter that exists in the galaxy cluster.
把计算出的质量和星系团中发光星系的总质量相比较，就能确定出星系团中存在多少暗物质。
Comparing the calculated mass and the total mass of the light-emitting galaxies in the galaxy cluster would determine the amount of dark matter that exists in the galaxy cluster.
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