The Gemini North telescope’s laser guide star beams up into the atmosphere (IMAGE)

Institute of Science and Technology Austria

The Gemini North telescope’s laser guide star beams up into the atmosphere

Caption

Gemini North’s laser shines through airglow. The Gemini North telescope’s laser guide star beams up into the atmosphere. The laser guide star is used to measure turbulence in the Earth’s atmosphere so the telescope can correct for it and achieve clear images of the night sky.

Credit

© International Gemini Observatory/NOIRLab/NSF/AURA/M. Rodriguez (International Gemini Observatory/NSF NOIRLab)

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