光年

Theexpansive M8, over a hundred light-years across, is also known as theLagoon Nebula while M20's popular monikeris the Trifid.

庞大的M8大小超过一百光年，又被称为是礁湖星云，而M20的著名昵称为三裂星云。

The Trifid Nebula.

在9000光年那么远的地方。

Hot on the heels of evidence last year that dark matter really does exist (see 'Dark matter spied in galactic collision'), the same technique has been used to map this uncharacterized mass across half a million distant galaxies.

紧追着去年暗物质确实存在的脚步，同样的技术被用来绘制50万光年远的星系中的这种毫无特征的物质。

A mere 6,000 light-years distant and sailing through the constellation Vela, star cluster RCW 38 is full of powerful stars.

仅6000光年远处，一望无际的星座vela，星簇rcw38充满了强大的明星。

The new infrared image shows the object as a speck of light near the star Beta Pictoris , which is 70 light-years from Earth, toward the constellation Pictor.

这张新的红外线图片显示，该物体就象一个光点位于绘架座β星附近。绘架座β星距地球70光年，位于绘架座。

It may look like a seahorse, but the dark object is actually a pillar of smoky dust about 20 light-years long.

这看起来也许有点像只海马，但阴暗部分实际上是一个20光年长的星尘带。

The distance of a light year boggles the imagination.

1光年是以每秒186000英里的速度走过一年的距离，约为6万亿英里。

Fortunately, Eta Carinae is far away, at least 7,500 light-years from Earth.

由于船底座伊塔星的质量是太阳质量的150倍，并且距离地球只有7500光年，因此当船底座伊塔星爆炸的时候，人类可从地球上看到一次壮观的&焰火&，或许在亮度方面足以和月亮媲美。

Eta Carinae is a mysterious, extremely bright and unstable star located a mere stone's throw - astronomically speaking - from Earth at a distance of only about 7,500 light years.

Eta Carinae是一个神秘的东东，特别是一颗纯粹被投出的明亮而不稳定的石头—按天文学说法—距离地球只有7500光年。

The Spitzer image spans almost 200 light-years at the distance of Eta Carinae.

从船底座η星的距离估计，这张斯皮策影像覆盖大约200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。