查询词典 nebula

Analysis shows that the accumulative excess events of steady 3TeV gamma ray emissions from Crab Nebula was increasing stably and the statistical significance reached 3.2σ, whereas no statistical significant evidence of steady 10TeV and 30TeV ga...

分析表明，来自CrabNebula的 3TeVγ射线的累积信号事例数显示了稳定增长的趋势，显著性达到了 3.2σ，但没有发现 1 0TeV和 30TeVγ射线稳定发射的迹象

Portraits of the Crab Nebula captured in visible, infrared, and x-ray wavelengths are projected on screens in Monument Valley, Utah, in a long exposure beneath a star-filled sky.

以可见光、红外线和X射线波段拍摄的蟹状星云图像被投射在犹他州的纪念谷里的屏幕上，图片是在一片布满星星的天空下使用长时间暴光拍摄的。

A pulsar is a celestial object that emits light in short burst a pulsar in the crab nebula flashes at a rate of 30 times/s,suppose the light pulses are caused by the rotation of a spherical object that emits light from a pair of diametrically opposed "flashlights" on its equator.

脉冲星是一种以短爆发形式辐射光的天体。假设球型天体赤道面上有一对"发光塔"，并且这对发光塔的联线构成赤道面的直径，进一步假设光脉冲产生于球形天体的转动，那么巨蟹座星云中的一个脉冲星的闪光频率是每秒30次。

Found in the nebula rich constellation Cygnus, NGC 6888 is about 5,000 light-years away.

NGC6888位于星云富集的天鹅座内，距离我们大约5，000光年远。

About 7,500 years ago that star exploded in a supernova leaving the Veil Nebula, also known as the Cygnus Loop.

大约7，500年前，一颗恒星发生超新星爆炸，并形成了面纱星云，又被称为天鹅圈。

Now, it has been reduced to a nebula of debris.

现在，它成为了星空中的尘埃。

On the far right, the North America Nebula is visible just under the very bright star Deneb.

在遥远的右侧可以看到非常明亮的天津四下是北美洲星云。

The energetic light from these stars continually ionizes nebula gas, while their energetic particle wind blows bubbles and defines intricate filaments.

来自这些恒星的高能光不断离子化星云气体，而它们的高能粒子风同时不断地吹向泡泡，产生了错综复杂的细丝景象。

The Ring Nebula can now be seen in the field of view.

这个环状星云现在就能在视场中被看到。

The dark filamentary dust not only absorbs light, but also reflects the light of several bright blue stars that formed recently in the nebula.

黑暗的丝状尘埃不仅仅吸收光，同时还反射数颗明亮蓝色恒星发出的光，而它们刚刚在星云内诞生不久。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。