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Large optical telescopes use a concave mirror to focus light from celestial sources. Although larger mirrors can produce more detailed pictures because of their reduced diffractive spreading of ...

Large concave mirrors are the heart of large astronomical telescopes. These mirrors gather the faint light from distant objects, and specially built cameras and other instruments can be used to ...

Large optical telescopes use a concave mirror to focus light from celestial sources. Although larger mirrors can produce more detailed pictures because of their reduced diffractive spreading of ...

Measuring Large Concave Mirrors . Manufacturers of telescope mirrors, for example the Steward Observatory Mirror Lab, have developed methods for creating lightweight mirrors greater than eight meters ...

To focus images for the Giant Magellan Telescope (GMT), which is under construction in Chile, the 27.6-foot-wide (8.4 meters) concave mirrors must be curved precisely, to within 20 nanometers ...

Airborne and partners designed, manufactured and assembled two 6-meter-diameter mirror support structures for highly complex telescope project. Advertisement ... The FYST features an off-axis ...