Tuesday, 4 May 2021

Discovering Circumbinary Star Systems


When the the first Star Wars movie was released in 1977, it featured the now-iconic two-sun, “circumbinary” planet Tatooine. via NASA https://ift.tt/2PMdV0y

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Red, Green Light Show

A green and red aurora streams across Earth’s horizon above the city lights of Europe in this Jan. 19, 2026, photograph, which looks north ...