光年

Much of the gas in the disk of the Circinus spiral is concentrated in two specific rings -- a larger one of diameter 1,300 light-years, which has already been observed by ground-based telescopes, and a previously unseen ring of diameter 260 light-years.

在圆规座的漩涡星系中的大部分气体都与两个具体的"环"有密切的联系。那个较大的，直径大约有1，300光年，它已经被地基望远镜观测到了。而先前，我们没有观测到的那个小"环"，直径大约有260光年。

NGC 4725 is over 100 thousand light-years across and lies 41 million light-years away in the well-groomed constellation Coma Berenices .

NGC 4725跨度超过10万光年，位于美丽的 Coma Berenices 。内4100万光年以外。

Is a more than 2000 billion stars, clusters and nebulae composed of thousands of discoid star system, it is about more than 100000 light years in diameter, center thickness is about more than 6000 light years, because ...

是一个由2000多亿颗恒星、数千个星团和星云组成的盘状恒星系统，它的直径约为100000多光年，中心的厚度约为6000多光年，因其。。。

The Pleiades are approximately 440 light-years away and the Hyades are about one-third that distance: 150 light-years.

昴星团大约有440光年远，而毕星团则大约是此距离的三分之一：150光年。

A large island universe similar to our own Milky Way Galaxy, NGC 4565 is only about 30 million light-years distant, but over 100,000 light-years in diameter.

NGC 4565是一个和我们银河系很相似的大型宇宙岛，离我们大约只有3000万光年，直径则超过10万光年。

The Cone Nebula resides 2,500 light-years away in the constellation Monoceros.

这个星云总长度达7光年，位于2500光年以外的麒麟座星系群。

The Rosette Nebula spans about 100 light-years across, lies about 5000 light-years away, and can be seen with a small telescope towards the constellation of Monoceros.

玫瑰星云的宽度约100光年，离地球约5000光年远，用小型望远镜朝著麒麟座的方向看便能看到。

This image spans about 50 light-years in the constellation Monoceros, at the 3,000 light-year estimated distance of the Rosette Nebula.

这张影像位于麒麟座，横跨约50光年，美丽的玫瑰星云距离我们约 3，000 光年。

About 4,000 light-years from planet Earth toward the nautical constellation Puppis, the nebula spans over a light-year and is energized by ultraviolet light from the central star.

这个星云位在航海星座的船尾座内，离地球约有四千光年远，大小略高於一光年，在中心星紫外辐射的激发下发光。

Using this new unit makes astronomical distances easier to express: the nearest star is 4.3 light-years away.

一光年等于9，458，000，000，000 光年，使用新的单位使得距离的测量更容易表示：最近恒星为4.3光年。

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。