lumiphore；luminophore 指原子、原子团或分子的某个部分，当它受到电子激发时，相关的发射带位置几乎是不变的，与吸收光谱中常遇到的生色团相似。
n. luminophor
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."
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