光年

HD 98800 is a multiple star system about 150 light years from Earth -- right in our section of the Milky Way Galaxy.

高清98800是一个由许多行星组成的复杂系统，距离地球有150光年，它就是我们的银河星系的一部分。

Giant black holes lurk at the cores of both galaxies, which are found in the constellation of Hydra, the Sea Serpent, about 700 million light-years away from Earth.

巨大的黑洞隐藏在两个星系核中，被发现于长蛇座，距地球约7亿光年远。

It is the brightest of the three galactic mergers closest to Earth, about 250 million light-years away in the constellation of Serpens, the Serpent.

是距地球最近的三个合并星系中最亮的一个，位于巨蛇座距地球约2.5亿光年。

Astronomers know the clusters are not stars because they are much brighter than a star would be at that distance, 250 million light-years away in the constellation Serpens .

天文学家知道它们不是恒星，是因为它们比在这个距离上的恒星要亮得多——距离地球2.5亿光年的巨蛇座。

Photo Gallery: Nebulae This dark column of cool molecular hydrogen gas and dust is part of the Eagle Nebula, a star-forming region 6,500 light-years away in the constellation Serpens.

意译：星云图片画廊。这个黑暗柱状物的清凉分子氢气和灰尘中的一部分――鹰星云，恒星形成区域， 6500光年之遥，在星座巨蛇座。

The Harvard Smithsonian Center for Astrophysics astronomers studied two dusty regions of star formation in the constellation Serpens Cauda, located 15,000 light years away.

哈佛大学史密森天体物理中心的天文学家们研究了位于15000光年之外巨蛇座尾部的两个富含星际尘埃的恒星形成区域。

This dark column of cool molecular hydrogen gas and dust is part of the Eagle Nebula, a star-forming region 6,500 light-years away in the constellation Serpens.

意译：星云图片画廊。这个黑暗柱状物的清凉分子氢气和灰尘中的一部分――鹰星云，恒星形成区域， 6500光年之遥，在星座巨蛇座。

Centered in the gorgeous skyscape is the dusty blue reflection nebula NGC 1333, about 1,000 light-years away.

这幅壮丽星野中央的蓝色尘埃反射星云是NGC 1333，离我们约有一千光年远。

With its relatively high brightness magnitude and at a distance of 28 million light-years from Earth, Messier 104, as Sombrero is more formally known, is easily viewed through a small telescope.

其相对高亮度的规模和在距离地球为2800万光年，梅西尔104 ，墨西哥帽是更正式众所周知，是很容易看通过小型望远镜。

Sombrero Galaxy - 28 million light years from Earth - was voted best picture taken by the Hubble telescope.

Sombrero星系。距地球两千八百万光年。被选为最好的。

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。