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This image shows a part of the circular supernova remnant known as RCW 86. It is the remains of an exploded star, which may have been observed on Earth in 185AD by Chinese astronomers.
这张图片展示了名为RCW 86的螺旋状超新星残骸的一部分,它是爆炸的恒星的残留部分,曾于公元185年被我国天文学家观测到。
来源:可可英语 //www.utensil-race.com/read/200910/87740.shtml
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