telescopes

Few telescopes in history have had such a profound effect on astronomical research as the Hubble Space Telescope.
历史上，鲜少有望远镜能像哈伯太空望远镜一样，对天文研究造成如此深远的影响。
The lens is often used to make telescopes.
When they analysed the data from both telescopes in this way, they found a great arc across the sky.
当用这种方式分析两架望远镜观测到的数据时，他们发现一道巨大的弧形横跨在苍穹。
As the bright, beautiful rings seem to grow narrower it becomes increasingly difficult to see them, even with large telescopes .
当明亮，美丽的土星环变得越来越窄时，即使有大型望远镜，我们也很难看到他们。
Some telescopes do not use a lens at the front. They use a curved mirror at the back. A curved mirror is better than a lens in some ways.
一些望远镜的前部不用透镜，而在后面装上一个曲面镜，曲面镜在某些方面要比透镜好。
Seeing and analysing such small galaxies at such a great distance is at the very limit of the capabilities of the most powerful telescopes.
看到和分析如此小又处在如此遥远地方的星系已经快到这些最强大望远镜的能力极限了。
The little telescopes are amazing: if I stretch my arm out in front of me, the telescopes focus on one-quarter of one of my fingernails.
微型显微镜太厉害了：如果我在身前伸展胳膊，显微镜会聚焦到我一片手指甲上的一小块。
In fact, a typical astronomy spends most of his or her time analysising datas and (can)may only be at telescopes a few weeks of a year.
而事实上，一个典型的天文学家利用他（或她）的大部分时间分析数据，而在一年内只有几周的时间花在望远镜观测上。
The complete array of telescopes will be able to survey the entire night sky visible from Hawaii about once a week.
所有四台望远镜都完成部署后，将能在一个星期内将整个夏威夷的夜空全部观测一次。
He thinks it may be possible to measure the spin using an intercontinental network of existing radio telescopes over the next five years.
他认为可以在接下来的五年内，通过现有的洲际射电望远镜网络，测量黑洞的自旋。