Artist’s view of the James Webb Space Telescope (JWST) in space, up and operating tackling a full agenda of space science conquests.
Credit: Northrop Grumman


NASA’s James Webb Space Telescope (JWST) is the most expensive and complex telescope ever built in the history of humankind.

Now estimated to cost nearly $9 billion and delayed for sendoff until sometime in 2019, this promising engine of discovery will be 100 times more powerful in its Cosmos-peering skills than the iconic Hubble Space Telescope.

JWST’s combined science instruments and optical element recently completed 100 days of thermal vacuum testing inside NASA Johnson Space Center’s Chamber A. Engineers are seen by the hardware shortly after it emerged from the huge test facility on December 1, 2017.
Credit: NASA/Chris Gunn

But putting JWST in place is fraught with peril, including its launch and far-from-Earth deployment.




Take a look at my new Scientific American story for details about the JWST:


Is the James Webb Space Telescope “Too Big to Fail?”

Backers of NASA’s next great observatory contemplate its worst-case scenarios

By Leonard David on December 29, 2017

For a video look at JWST, go to Northrop Grumman overview published on Jan 24, 2017 at:

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