An undervalued optical trick may help to find life in other solar systems MOST astronomical telescopes employ reflection to focus starlight.

一个不被人重视的光学方法可能能帮助寻找其他太阳系的生命大部分天文望远镜都是运用的焦点星光的反射原理。

While standing on his balcony, Wang observes various planets thousands of light-years away with an astronomical telescope and takes pictures of them.

王至璞站在阳台上，用天文望远镜观察着数千光年之外的各大行星，并拍下它们的照片。

It is thanks to Ravenscroft's invention that optical lenses, astronomical telescopes, microscopes and the like became possible.

正是由于拉文斯克罗夫特的发明，光学透镜、天文望远镜、显微镜等才成为可能。

In 2006, 8-year-old Dong received an astronomical telescope and started practicing using a telephoto lens to photograph the Milky Way to hone his skills.

2006 年，8 岁的董书畅收到一台天文望远镜，他开始练习使用长焦镜头拍摄银河系，磨练自己的天文摄影技艺。

Tian Cairang, an official with the Lenghu industrial park, said in recent years, several astronomical telescope projects have been launched at the Lenghu astronomical observatory base.

冷湖工业园区官员田才让说，近年来，冷湖天文台基地启动了几个天文望远镜项目。