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NASA's James Webb Space Telescope Science Instruments Begin Final Super Cold Test at Goddard
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At NASA's James Webb Space Telescope's final destination in space, one million miles away from Earth, it will operate at incredibly cold temperatures of -387 degrees Fahrenheit, or 40 degrees Kelvin. This is 260 degrees Fahrenheit colder than any place on the Earth’s surface has ever been. So first, this final super cold test at Goddard will prepare the Integrated Science Instrument Module (ISIM), or the “heart” of the telescope, for space. Read more: <a href="http://go.nasa.gov/1KFPwJG" rel="
NASA Image and Video Library’s own descriptionCredit lineNASA's James Webb Space Telescope Science Instruments Begin Final Super Cold Test at Goddard. NASA/GSFC, 2017-12-08. Public domain. ID: GSFC_20171208_Archive_e000514.
