Checking the mirror for Large Binocular Telescope

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Checking the mirror for Large Binocular Telescope

LBT mirror. Researcher Roger Angel with the mirror for the Large Binocular Telescope (LBT). This 8.4- metre telescope mirror is the largest ever cast. The mirrors borosilicate glass has a honeycomb design which makes it strong but light. It was cast by a process of melting, moulding & spinning in a rotating oven. The mirror is then finely polished. Two identical mirrors will be placed on a common mount in the LBT constructed on Mount Graham in Arizona, USA. Together they will have the light-collecting power and image sharpness of a much larger single mirror. Roger Angel is director of the University of Arizona Mirror Laboratory in Tucson, USA. Photographed in 1997

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6452323

© DAVID PARKER/SCIENCE PHOTO LIBRARY

Angel Astrophysics Mirror Of Telescope Optical Telescope Telescope Honeycomb Structure Roger

EDITORS COMMENTS
In this photo print, researcher Roger Angel can be seen carefully checking the mirror for the Large Binocular Telescope (LBT). This remarkable 8.4-meter telescope mirror holds the distinction of being the largest ever cast. Its borosilicate glass composition features a unique honeycomb design, rendering it both sturdy and lightweight. The manufacturing process involved melting, molding, and spinning in a rotating oven to achieve its flawless shape. Following casting, meticulous polishing was carried out to ensure optimal performance. The LBT will house two identical mirrors on a shared mount at its location on Mount Graham in Arizona, USA. By combining these two mirrors, they effectively mimic the light-collecting power and image sharpness of an even larger single mirror. Spearheading this groundbreaking project is Roger Angel himself, who serves as director of the University of Arizona Mirror Laboratory in Tucson. This awe-inspiring photograph was taken back in 1997 by Science Photo Library and showcases not only the immense scale of this technological marvel but also highlights humanity's relentless pursuit of unraveling celestial mysteries through astrophysics and astronomy.

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