光学望远镜在数角秒内就能获取一张星空图—至少比肉眼能获取的大60倍。
Visible light telescopes can resolve a piece of sky just a few arc seconds across — at least 60 times a smaller patch of sky than can be resolved with the human eye.
由于无线电波比可见光波长百万倍,10米宽射电望远镜上的碟面只能接收月亮大小的星空图。
Because radio waves are millions of times longer than visible light, a collecting dish of a 10-meter radio telescope might only resolve an area of sky the size of the moon.
乍看起来,双鱼座2011年的运程有些不妙,星空图显示对于生活的不同方面都有不好的影响。
The planetary aspects that are characteristic of Pisceans in 2011 will seem quite dangerous at first glance, representing an adverse impact on different spheres of life.
冰岛斯科加瀑布令人惊叹的景观(左图)和俄勒冈州胡德山附近的星空(右图)。
Pictured (left) marvelling at the view in Skûgafoss, Iceland, and (right) stargazing near Mount Hood Stratovolcan in Oregon.
冰岛斯科加瀑布令人惊叹的景观(左图)和俄勒冈州胡德山附近的星空(右图)。
Pictured (left) marvelling at the view in Skûgafoss, Iceland, and (right) stargazing near Mount Hood Stratovolcan in Oregon.
应用推荐