W. M. Keck Observatory, Hawaii, USA: Telescopes use “their adaptive optics lasers to map the paths of stars around the black hole in the center of the Milky Way galaxy…The small gap in the lasers occurred because they had to shut off for a minute to avoid blinding a passing satellite.” [1600x1067] via /r/spaceporn http://ift.tt/2tQiECj
via Tumblr http://ift.tt/2v79mRD
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