Goddard Space Flight Center design for JWST
Date: 20 Feb 2002
The spacecraft has a deployable sunshade, an umbrella that will keep the telescope chilled -370 degrees Fahrenheit to -298 degrees Fahrenheit, which allows it to see the faint infrared glow of distant objects. With this design, the telescope can view about 40 percent of the sky at any time.
Last Update: 01 Dec 2003
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