The Giant Magellan Telescope begins the four-year process to fabricate and polish its seventh and final primary mirror, the last required to complete the telescope’s 368 square meter light collecting ...

The University of Arizona Steward Observatory Mirror Lab’s casting of the first mirror for the Giant Magellan Telescope (GMT) “appears to be essentially perfect,” UA Steward Observatory Director Peter ...

GREENBELT, Md. – Scientists working at NASA’s Goddard Space Flight Center in Greenbelt, Md., have concocted an innovative recipe for giant telescope mirrors on the Moon. To make a mirror that dwarfs ...

The second mirror for the Giant Magellan Telescope was cast in the Steward Observatory Mirror Laboratory on Saturday. The Giant Magellan Telescope, which began its design phase for the mirrors in 2005 ...

NASA opened a golden eye on the cosmos Saturday. The James Webb Space Telescope, the largest and most complex of its kind, successfully completed its final deployment stage by opening its 21-foot gold ...

Later today, the temperature inside a giant spinning furnace in Tucson, Arizona will reach 2,140 degrees Fahrenheit. Twenty-one tons of glass will become molten and flow into a honeycomb frame. The ...

(Nanowerk News) Researchers have developed a new way to produce and shape large, high-quality mirrors that are much thinner than the primary mirrors previously used for telescopes deployed in space.

Can space telescopes be improved for future astronomy studies? This is what a researcher from the Max Planck Institute for Extraterrestrial Physics hopes to find out as he developed a method of ...

'It could make lightweight mirrors that are 15 or 20 meters in diameter a reality.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

In May 2022, the James Webb Space Telescope (JWST) encountered a problem. The giant observatory, perched 1 million miles from Earth, has a honeycomb-like configuration of mirror panels to see the ...

Mike Every knows about grinding glass—and he doesn’t like it. The second-year physics major from Saugerties, N.Y., is an amateur telescope maker with an idea for producing lightweight mirrors out of ...