airglow

Airglow: all you need to know about this firework

Airglow: Have you ever wondered why the background night night sky isn’t pitch black at night, much like in space? Here are all the answers to unravel a strange and mind-boggling phenomenon!  Also called nightglow, airglow is quite common all over the world and above our heads. During the day, the atoms of the upper atmosphere …

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