crab nebula 蟹状星云
- Its remnants form the Crab Nebula.
它的残余物组成了蟹状星云。 - The Crab Nebula spans about 10 light-years.
蟹状星云的大小约为10光年。 - We have identified the Crab Nebula as the debris of this explosion.
我们已证明蟹状星云就是这次爆炸的遗迹。
crab nebula[ noun ]
a remnant of a supernova detected first in 1054 AD
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