Mirrors are a critical part of a telescope. The quality is crucial, so completion of mirror polishing represents a major milestone. All of the mirrors that will fly aboard NASA’s James Webb Space ...

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 ...

Night after night in the dry air of Chile's Atacama Desert, fine dust and pollutants settle on the aluminum coating of the mirrors belonging to the Very Large Telescope, part of the European Southern ...

TUCSON, Ariz. (KGUN) — Construction is underway on a next-generation optical telescope, up to 200 times more powerful than the best telescopes used today. The Giant Magellan Telescope's seven mirrors ...

It's a delicate process in which science meets craftsmanship in the Chilean desert. Night after night in the dry air of Chile's Atacama Desert, fine dust and pollutants settle on the aluminum coating ...