Final James Webb Space Telescope instrument reaches super-cold operating temperature - Space.com
4/13/2022 12:00:00 AM3 years 10 months ago
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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