Similarly, if it is dusty or there are a lot of other larger particles in the air, this will filter out larger wavelengths, resulting in a red sky and red sun.

同样，如果空气中尘埃比较多，或是空气中有很多其它大颗粒，那么那些较长的光波就会被过滤掉，于是天空就会是红色，太阳也会是红色。

youdao

Suddenly, the sun sprang out of the seawater, looking like a large elliptic ball, and the sky in the east became red.

一轮橘黄色的帽顶慢慢从海上升起，突然太阳喷薄而出，看上去像一个椭圆形大球；东方的天空布满朝霞。

youdao

Red sun is smiling in the sky.

红色的太阳在天空中微笑着。

youdao

The sky will be a deep, vivid red because the sun will, in essence, have turned into a huge red cloud.

ECONOMIST: To the ends of the earth