Mirrors are a critical part of any space telescope, and the James Webb Space Telescope’s mirrors are made of a special element that will enable it to withstand the rigors of space and see farther back ...

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 ...

'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. A scientist ...

PASADENA, CA — September 26, 2023 — 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 ...

Aug. 31—CANTON — A massive 11-foot-wide mirror, created in Canton, is installed at the Vera C. Rubin Observatory in Chile. The mirror will help scientists identify potentially harmful asteroids and ...

University of Arizona Richard F. Caris Mirror Lab staff members placing nearly 20 tons of Ohara E6 low expansion glass into a mold for casting the Giant Magellan Telescope’s seventh primary mirror ...

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 ...

Through the centuries, the telescope has gone through an incredible evolution to become the tool it is today. In the modern era, these miraculous inventions can be purchased from a variety of stores, ...

When it comes to telescopes and how powerful they are for looking deep into the cosmos, there are lots of factors to consider. Such as the portion of the electromagnetic spectrum the telescope operate ...

For most of us who are not astronomers, the image that comes to mind when describing a reflecting telescope is of a huge instrument in its own domed-roof building on a mountain top. But a ...