NASA's Webb Telescope ISIM Lowered into Thermal Vacuum Chamber (IMAGE)

NASA/Goddard Space Flight Center

NASA's Webb Telescope ISIM Lowered into Thermal Vacuum Chamber

Caption

An overhead glimpse inside the thermal vacuum chamber at NASA's Goddard Space Flight Center in Greenbelt, Md., as engineers ready the James Webb Space Telescope's Integrated Science Instrument Module, just lowered into the chamber for its first thermal vacuum test. The ISIM and the ISIM System Integration Fixture that holds the ISIM Electronics Compartment is completely covered in protective blankets to shield it from contamination. More information: www.nasa.gov/webb or jjwst.nasa.gov.

Credit

NASA/Chris Gunn

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