As the density increases, the path of light rays emitted from the star are bent and eventually wrapped irrevocably around the star.
随着密度的增加，恒星里所发出的光线的路径会发生弯曲，并最终不可逆地围绕包裹着恒星。
Acting over long sight-lines to the rising and setting Sun or Moon, the refraction significantly alters the path of light rays creating merged, distorted images.
当太阳、月亮东升或西落时，这种效应沿长长视线的方向累积，造成部份光线传播方向出现较大幅度的改变，最后叠出这种扭曲的影像。
They look out into the sky, into the stars, and see a slight variance in light rays that come over the vastness of space, and assume a straight path, or nearly straight.
他们抬头仰望，看向群星，发现从广阔的宇宙射来的光线变化轻微，并假定光沿直线传播，或这近乎直线。
After painting the wall the color of sunshine, he used a mirror to deflect rays of light, as he followed the path of the sun, onto the places on the prison wall where the sun did not shine.
在为墙面涂上了阳光的颜色后，他用一面镜子折射光线，沿着太阳的轨迹，将光线投射到狱墙上阳光照不到的地方。
After painting the wall the color of sunshine, he used a mirror to deflect rays of light, as he followed the path of the sun, onto the places on the prison wall where the sun did not shine.
在为墙面涂上了阳光的颜色后，他用一面镜子折射光线，沿着太阳的轨迹，将光线投射到狱墙上阳光照不到的地方。
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