Twenty-five years ago this week, NASA held its collective breath as seven astronauts on space shuttle Endeavour caught up with the Hubble Space Telescope 353 miles (568 kilometers) above Earth. Their mission: to fix a devastating ...
Astronomy
Dec 5, 2018
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What appears to be a unique selfie opportunity was actually a critical photo for the cryogenic testing of NASA's James Webb Space Telescope in Chamber A at NASA's Johnson Space Center in Houston. The photo was used to verify ...
Space Exploration
Oct 19, 2017
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Engineers and technicians working on the James Webb Space Telescope successfully completed the first important optical measurement of Webb's fully assembled primary mirror, called a Center of Curvature test.
Space Exploration
Nov 2, 2016
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NASA engineers recently unveiled the giant golden mirror of NASA's James Webb Space Telescope as part of the integration and testing of the infrared telescope.
Space Exploration
Apr 27, 2016
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NASA's James Webb Space Telescope just got a little closer to launch with the completion of cryogenic testing on its science cameras and spectrographs and the installation of the final flight mirrors.
Space Exploration
Mar 21, 2016
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The sole secondary mirror that will fly aboard NASA's James Webb Space Telescope was installed onto the telescope at NASA's Goddard Space Flight Center in Greenbelt, Maryland, on March 3, 2016.
Space Exploration
Mar 7, 2016
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The James Webb Space Telescope (JWST), scheduled to be launched in October 2018, is expected to yield important scientific breakthroughs in our quest to understand the universe and our origins. JWST, often touted as a successor ...
Space Exploration
Dec 28, 2015
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(Phys.org) —On April 24, 1990, the space shuttle Discovery lifted off from Earth with the Hubble Space Telescope nestled securely in its bay. The following day, Hubble was released into space, ready to peer into the vast ...
Space Exploration
May 15, 2014
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When you think of a mirror, there really isn't that much needed to describe it, but when you look at a mirror that will fly aboard NASA's next-generation James Webb Space Telescope, there's a lot to the anatomy of a mirror.
Space Exploration
Mar 20, 2014
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(Phys.org) —Assembly of the backbone of NASA's James Webb Space Telescope, the primary mirror backplane support structure, is a step closer to completion with the recent addition of the backplane support frame, a fixture ...
Space Exploration
Jun 14, 2013
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