An accident at the Blanco 4m telescope at Chile’s Cerro Tololo Inter-American Observatory has severely damaged a secondary mirror. The telescope is currently shut down for installation of the highly anticipated Dark ...
Space Exploration
Feb 27, 2012
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(Phys.org) -- NASA technology does some amazing things. Imagine taking one-tenth of an ounce of gold and spreading it so thin that it completely coats something over four feet in diameter. That's what scientists and engineers ...
Space Exploration
Jul 30, 2012
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The unique optical system of ESO's Extremely Large Telescope consists of five mirrors, each of which represents its own significant engineering challenge. The 39-metre-diameter primary mirror, which will be made up of 798 ...
Space Exploration
May 30, 2017
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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. The resulting mirrors are flexible enough ...
Optics & Photonics
Apr 4, 2023
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405
New images of the sun's chromosphere—the lower region of the solar atmosphere—have been released, and to say they are "stellar" is an understatement. Simply, they are stunning. The high-resolution images were taken with ...
Astronomy
Sep 12, 2022
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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 in time/distance than ...
Space Exploration
Mar 12, 2009
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(PhysOrg.com) -- Our world is full of integrated semiconductor circuits, commonly known as microchips. Today you find them in computers, cars, mobile phones and in almost every electrical device. Technology from ESA?s XMM-Newton ...
Electronics & Semiconductors
Mar 26, 2010
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(PhysOrg.com) -- The first six of 18 segments that will form NASA's James Webb Space Telescope's primary mirror for space observations will begin final round-the-clock cryogenic testing this week. These tests will confirm ...
Space Exploration
Apr 15, 2011
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The casting of the secondary mirror blank for ESO's Extremely Large Telescope (ELT) has been completed by SCHOTT at Mainz, Germany. The completed mirror will be 4.2 metres in diameter and weigh 3.5 tonnes. It will be the ...
Space Exploration
May 22, 2017
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Scientists at the University of Arizona and in California have completed the most challenging large astronomical mirror ever made.
Space Exploration
Oct 23, 2012
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