The delicate luminous glow of Zodiacal light, sunlight scattered by dust along the ecliptic, also rises above the horizon from the lower left.
黄道光微微发亮，阳光被黄道上的尘埃散射形成，也从左下角的地平线向上伸展。
2
In addition to that I removed some dust spots, straightened the horizon, applied noise reduction to the sky (using Noise Ninja), and sharpened the foreground.
此外我还除掉了一些灰尘斑点，拉直了地平线，对天空进行了去噪点，并锐化了前景。
3
The apparent change in size of the sun is caused by dust in the air near the horizon.