April 30, 2016

Airglow and the Milky Way Galaxy

Airglow and the Milky Way Galaxy

Airglow (also called nightglow) is a faint emission of light by a planetary atmosphere. In the case of Earth's atmosphere, this optical phenomenon causes the night sky never to be completely dark, even after the effects of starlight and diffused sunlight from the far side are removed.

Australia
September 1, 2015

Image Credit & Copyright: Yuri Beletsky

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