This is where raw data from each photomultiplier tube frozen in the ice comes into the racks of electronics. 2012-11-16-ice-cube-observatory—img_0458-1600-80_8199097535_o Technical Details Camera: Canon EOS 5D Mark II Taken: 2012-11-16 Focal length: 52mm Aperture: f/4 Exposure: 1/20 second ISO: 2500
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