International Gemini Observatory/NOIRLab/NSF/AURA
Mirror cleaning demonstration
Kaumana Elementary School student dressed in clean-suit and safety equipment demonstrates to other students how dry-ice snow is used to clean the Gemini mirrors.
International Gemini Observatory/NOIRLab/NSF/AURA
Kaumana Elementary School student dressed in clean-suit and safety equipment demonstrates to other students how dry-ice snow is used to clean the Gemini mirrors.
