Laser on Gemini North Telescope undergoes rigorous testing

As stars appear to circle around the north celestial pole, a new laser at the Gemini North Telescope on Hawaii’s Maunakea undergoes rigorous testing, as seen in this image from early October 2019. [The international Gemini Observatory, a program of NSF's NOIRLab.] Learn more in the NOIRLab ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video