airglow – Gemini Observatory http://www.gemini.edu/blog Exploring the Universe, Sharing its Wonders Fri, 11 Oct 2019 15:00:44 +0000 en-US hourly 1 https://wordpress.org/?v=4.7.21 What’s that Glow? http://www.gemini.edu/blog/blog/2017/01/09/whats-that-glow/ Tue, 10 Jan 2017 00:20:00 +0000 http://www.gemini.edu/blog/?p=2420   What’s that Glow? Cerro Pachón is one of the best sites in the world for astronomical observations due the darkness of the night sky. However, sometimes there is a strange brightness of different colors throughout the entire sky known as airglow. Airglow is caused by the ultraviolet light from the Sun that constantly hits […]

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