Final James Webb Space Telescope instrument reaches super-cold operating temperature - Space.com
4/13/2022 12:00:00 AM3 yearsago
by Elizabeth Howell
by Elizabeth Howell
'We spent years practicing for that moment,' team member says of rapidly completing instrument calibration.
The James Webb Space Telescope notched a cool milestone — literally — during its months-long calibration for deep-space observations. The final instrument aboard the $10 billion James Webb Space Tel… [+3855 chars]
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