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单词 Sky glow
释义

Sky glow

原声例句
VOA Daily Standard 2022年3月合集

Air raid sirens went off and the sky glowed red Saturday night as fighting continued after dark.

周六晚上,空袭警报响起,天空泛着红光,天黑后战斗仍在继续。

PBS趣味科普

But there's also nitrogen up there, and it can give off a really cool mix of red and blue light that makes the sky glow this incredible purplish-pink.

但那里也有氮,而它会释放出很酷的红蓝光,让天空洋溢着粉紫色。

PBS英语讯息

Along the border of California and Oregon, the night sky glowed red as the McKinney fire exploded from one square mile to more than 60 square miles since Friday.

自周五以来,随着麦金尼大火燃烧范围从1平方英里扩大到60多平方英里,加利福尼亚州和俄勒冈州交界处的夜空变得通红。

三体 I

She lifted her face and gazed in the direction the antenna was pointing and saw a cloud in the night sky glow with a dim blue light, so dim that at first she thought it an illusion.

她仰起脸,顺着天线指向的方向看去, 只见夜空中有一朵云, 泛着淡淡的蓝光,暗得她一开始还以为是幻觉。

中文百科

霞光 Skyglow

(重定向自Sky glow)
夜晚的墨西哥市,有着明亮的天空。
霞光大多数是未极化的,加入的结果是降低了月光偏极的信号。人类不会感觉到这种模式,但一些节肢动物可以。
A map showing the extent of skyglow over Europe
In this 10-second exposure photo, facing south toward Sagittarius, three forms of light pollution obscure the stars and faintly visible Milky Way in the suburban night sky over Southern California: skyglow, glare, and light trespass.

霞光(或天空辉光)是部分来自夜空本身的光照,而最常见的来源自人造光源发出的光污染。这些累积在高空中的大片霞光,可以来自数公里外城市无用的光照。来自人造灯光的霞光在全世界大多数城镇和集中居住区普遍的都可以的观察到,会在它们的上空形成一个发光的圆顶。霞光的穹顶可能很大,可以覆盖整个城市,也可以很小,只会照亮该购物中心或体育场的上空。

虽然通常都是人造光,霞光也包括天然的来源,像是在夜晚漫射在空中的黄道光、星光,和高层大气发出来的气辉。

霞光也可能是自然事件引发的,例如1908年的通古斯事件,一颗直径数米的流星体,在俄罗斯克拉斯诺雅斯克边疆区的通古斯河上空平均半径5-10公里处爆炸。估计这次爆炸释放的能量有15百万吨上下,是1945年投掷在日本广岛和长崎的原子弹能量的1,000倍,或是曾经引爆过威力最大的核弹,沙皇炸弹的三分之一强。通古斯爆炸辐射的光线非常强烈,创造出的霞光远在英格兰都能看见。那里的人经历了数周了断断续续的光明之夜("bright nights",现在是与霞光同意义的术语)。

英语百科

Skyglow 霞光

(重定向自Sky glow)
Mexico City at night, showing skyglow.
A map showing the extent of skyglow over Europe
In this 10-second exposure photo, facing south toward Sagittarius, three forms of light pollution obscure the stars and faintly visible Milky Way in the suburban night sky over Southern California: skyglow, glare, and light trespass.
In this approximately 200-degree view north from Downtown Seattle, skyglow can be seen above Bellevue on the right, around 7 kilometres (4.3 mi) away; University District in the center, around 4 kilometres (2.5 mi) away; as well as Queen Anne in the left, around 3 kilometres (1.9 mi) away.

Skyglow (or sky glow) is the diffuse luminance of the night sky, apart from discrete light sources such as the moon and visible individual stars. It is a commonly noticed aspect of light pollution. Although usually referring to sky luminance arising from the use of artificial lighting, skyglow can also refer to all diffuse sources of night sky luminance, including artificial as well as natural sources of diffuse nighttime light like the zodiacal light, starlight, and airglow.

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更新时间:2025/6/18 12:39:50