但 若不将辐射强度分成散射部分与集中入 射部分并将不连续区做分区处理时,则 会产生光线效应(ray effect),此时在正 算时所得到的解,会造成相当大的误 差。
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大多数介入其中的星系就像透镜一样发挥作用,所以“引力透镜”因此得名;同时经过的光线会发生各种各样离奇的效应。
The mass of the intervening galaxy acts like a lens, hence the term, and it can have all sorts of weird effects on the light.
这是利用望远镜展示名为“牛顿圈”的光学效应,折射光线彼此干涉,形成了这些条纹。
This is the view through a telescope demonstrating the optical effect known as Newton's Rings, whereby reflected light rays interfere with one another and produce a pattern.
利用牛顿关于光和重力的理论,他们分析出当一个星球足够大的时候,其引力效应可以将光线完全捕获。
Using Newton's concepts of light and gravity, they reasoned that the gravitational pull of a massive star could grow large enough to prevent light from escaping.
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