NASA is putting the mirrors for its James Webb Space Telescope (JWST) through the ultimate cold test — one that exposes them to temperatures hundreds of degrees below freezing to make sure they will ...

It's been a long journey for NASA's James Webb Space Telescope (JWST), and it hasn't even begun its million-mile trip into the Sun's orbit yet. Almost two decades in the making, the world's largest ...

Last week, NASA’s next big powerful space observatory — the James Webb Space Telescope — was removed from the giant, cryogenic testing chamber it’s been living in since July at NASA’s Johnson Space ...

Last week a primary mirror milestone was met for NASA’s James Webb Space Telescope project as the first gold-coated mirror segment finished testing in the X-ray & Cryogenic Facility at NASA’s Marshall ...

The first mirror segment that will fly on the James Webb Space Telescope, built by Northrop Grumman Corporation, has completed its first series of cryogenic temperature tests in the X-ray and ...

For the last couple of years, NASA’s next big space observatory — the James Webb Space Telescope — has been carefully pieced together at the agency’s Goddard Space Flight Center in Maryland. But now ...

NASA’s James Webb Space Telescope is well on its way to succeeding the Hubble Space Telescope as one of the most powerful space observatories ever launched, but not without a plethora of tests to ...

New Liquid Helium Open Top, Dewar-fed System Enables Aerospace and Defense Customers to “Test Like They Fly” at Near Absolute Zero Temperature MONTVILLE, N.J.--(BUSINESS WIRE)--Marotta Controls, a ...

The use of on-wafer superconducting materials, other novel materials, and traditional semiconductors at cryogenic temperatures (below about 123K, or -150°C) has grown quickly in recent years.

Cryogenic testing is complete for the final six primary mirror segments and a secondary mirror that will fly on NASA's James Webb Space Telescope. The milestone represents the successful culmination ...

Friday will be one of the memorable days in Jason Rigone’s career. He has seen the former Jeannette Glass site transform into Elliott Group’s $60 million cryogenic pump test stand and experienced the ...