光年

This star-forming nebula, which lies 5,000 light-years away in the constellation Monoceros, is named for its rosebud-like shape when seen using only optical light.

这个恒星形成星云，它是5000个光年之遥，在星座Monoceros ，命名为蔷薇花蕾般的形状时，看时只用视力的光。

Located about 500 light-years away in the constellation Monoceros, CoRoT-7b was first discovered in February by the French and European space agencies' CoRoT space telescope.

今年2月，在距离我们大约500光年的麒麟星座中，法国与欧洲航天局联合发射的&CoRoT&空间望远镜观测到了这颗后来被命名为&CoRoT-7b&的岩石行星。

Scientists speculate it is possible that a cool star lurks right under our noses, closer to us than our nearest known star, Proxima Centauri, which is four light-years away.

科学家们认为有可能在地球和距离我们4光年的最近的恒星&比邻星&之间，潜藏着一颗距离更近的低温恒星。

Scientists speculate it is possible that a cool star lurks right under our noses, closer to us than our nearest known star, Proxima Centauri, which is four light-years away.

科学家推测，比比邻星离我们更近的冷恒星的存在是有可能的。比邻星距离我们是4个光年。

ESO 99-4 lies in a rich field of foreground stars, in the constellation of Triangulum Australe, the Southern Triangle, about 400 million light-years away.

ESO 99-4位于南三角座一片有大量前景星的区域，大约有4亿光年远。翻译：Rojer

At 186,000 miles per second in one year,namely 6 million million miles.

1光年是光以每秒186，000英里的速度在一年走的距离，即6万亿英里。

Discovered in 2005 and located about 5 billion light-years away, its as massive and energetic as other quasars.

HE0450-2958发现于2005年，位于大约50亿光年之外，它的质量和能量都跟其他类星体相当。

It is 128 light years from Earth, and is just visible to the naked eye in the constellation of Pegasus.

它距地球128光年，在飞马座中刚好能被肉眼可见。b， c和d标记的三个小红点是系外行星。

Dimensions: The image is approximately 9 arcminutes (17 light-years or 5 parsecs) wide.

图像尺寸：银河核心的合成图像约9角分，相当于17光年/5秒差距宽。

Dimensions: The composite image of the galactic center is 32.5 arcminutes (246 light-years or 75.5 parsecs) wide.

图像尺寸：银河核心的合成图像约32.5角分，相当于246光年/75.5秒差距宽。

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。