| 释义 |
crab nebula短语¹¹⁴⁴⁶⁷⁺⁴
基本英英例句例句
蟹状星云
Noun:
a remnant of a supernova detected first in 1054 ADIts remnants form the Crab Nebula.它的残余物组成了蟹状星云。
Today, the Crab Nebula is still expanding and it will eventually dissolve in the interstellar gas cloud nearby.蟹状星云仍然在膨胀最终会溶入星际物质而消散。 Integral made a similar observation in 2006, when it detected polarised emission from the Crab Nebula, the remnant of a supernova explosion just6500 light years from Earth in our own galaxy.
2006年 Integral做了一次相似的观测，它观测了距离我们银河系6500光年的一次超新星爆炸产物——蟹状星云，测量了其偏振辐射。 yeeyan |