单词crab nebula
un.: 蟹状星云
网络: 巨蟹星云；蟹形星云；蟹状星云壁纸
蟹状星云
An unexpectedly varying Crab Nebula might have affected any research that used the Crab as a standard or a calibration tool.
而现在，突如其来的蟹状星云辐射波动现象必将影响任何一个将其作为标准或校准工具的研究项目。
You know, they say that you can see the Crab Nebula. Wow, look. . .
你知道吗，据说可以看到蟹状星云…哇，你看。
The Crab Nebula, one of the most-studied celestial objects, is the remnant of a supernova that was observed by Chinese astronomers in 1054.
蟹状星云——超新星爆发后的遗迹，是人类最常研究的天体之一，由中国天文学家于1054年首次观测到。
A stroboscopic picture, a stroboscopic exposure was made of the center portion of the Crab Nebula.
一张频闪观测仪的图，对蟹状星云的中心，进行频闪观测曝光。
The Crab Nebula, the result of a supernova seen in 1054 AD, is filled with mysterious filaments.
蟹状星云是西元1054年超新星的遗骸，它的内部到处都是神秘难解的丝状物。
Astrophysicists have long thought of the Crab Nebula as a steady "standard candle" in X-ray wavelengths.
天体物理学家们长久以来一直将蟹状星云的X射线波段视作稳定的“标准烛光”。
The Crab Nebula is the brightest source of reasonably steady high-energy radiation (X-rays and gamma rays) in the sky.
蟹状星云是全天最为明亮并且被确信是稳定的高能辐射（X射线及伽马射线）源。
Combined data from four X-ray satellites shows fluctuations in the Crab Nebula"s X-ray output over the last 12 years.
过去12年中四个不同X射线卫星探测器探测到的蟹状星云X射线输出的变化情况。
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。
And this object, this pulsar in the Crab Nebula is radiating copious amounts of x-rays, of gamma rays.
这个物体，这蟹状星云的脉冲星，辐射出丰富的x射线，以及伽马射线。