Premium telescope mirror manufacturing involves a multi-stage process beginning with grinding a mirror blank to a precise parabolic curve using grit and water, followed by polishing and figuring to ...

Scientists from the Chinese Academy of Sciences have reported the construction of the largest reported silicon carbide aspheric mirror. Their work has appeared in the journal Light: Science & ...

While some complex production processes can take days or weeks, creating something as monumental as the Giant Magellan Telescope (GMT) is in its own realm with individual steps measured in months and ...

Manufacturing of the James Webb Space Telescope (JWST) progressed further with the delivery of the telescope’s first mirror segment for grinding and polishing in late September. Northrop Grumman ...

The first flight mirror segment for NASA’s James Webb Space Telescope’s (JWST) primary mirror has completed its final polishing process, the first of 18 segments that comprise the Observatory’s 21 ft.