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最顶层的是超热日冕，由日冕环和电离气体流组成。
At the top is the super-hot corona, which is made of structures such as loops and streams of ionized gas.
哈勃太空望远镜的先进探测照相机记录下了星云中电离气体辐射所造成的彩色地图。
The colors map emission from ionized gas in the nebula were recorded by the Hubble Space Telescope's Advanced Camera for Surveys.
光电子之间的非弹性碰撞使它们原来获得的能量在整个电离气体中迅速分配。
Inelastic collisions among photoelectrons rapidly distribute their initially gained energy throughout the region of ionized gas.
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