sky brightness

In the field of atmospheric optics, distribution of sky brightness is widely used.

在大气光学领域中, 天空亮度分布有着重要的应用.

Distribution of sky brightness is significant in atmosphere optics.

天空亮度分布在大气光学领域有着重要的应用.

An observer can accurately measure the night sky brightness by taking pictures sky using digital cameras.

观测者利用数码相机拍摄夜空,可准确地量度夜空光度.

Aurelia Lamp by Qis Design. "It has two knobs on the main body, the front one for adjusting brightness and the back for adjusting lighting angles, imitating a seagull flapping wings to soar into the sky."

Qis Design设计的水母灯：“这款的的两端各有一个旋钮，前面那个可以调节灯光亮度，后面那个可以调节照明角度，外形则模仿了一只振翅冲向天空的海鸥。”

The night sky brightness can thus reflect the condition of light pollution.

夜空的光度反映光害的情况.

Variation of the night sky brightness at Yunnan Observatory since 1987

1987年以来云南天文台夜天亮度的变化

Gentle like wind, like autumn sky brightness, like graceful snow light dance, like plum season drizzle.

轻柔如风, 如秋空的明净, 如曼雪的轻舞, 如梅子时节的细雨.