Making Mirrors to Survey Distant Galaxies (IMAGE) University of Arizona Caption Martin Valente (right), director of the Optical Fabrication and Engineering Facility at the College of Optical Sciences, and Optician Colton Noble discuss the finishing touches of one of the mirrors to be used in the Hobby-Eberly Telescope Dark Energy Experiment, or HETDEX. Credit Daniel Stolte, University Communications Usage Restrictions Usage granted in conjunction with reporting/posting of this news release only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.