NASA's Webb' telescope's mid-infrared instrument cooldown continues - EurekAlert

The Mid-Infrared Instrument (MIRI) and other Webb instruments have been cooling by radiating their thermal energy into the dark of space for the bulk of the last three months. The near-infrared instruments will operate at about 34 to 39 kelvins, cooling passi…

image: NASA's James Webb Space Telescope illustrationview more  Credit: NASA The Mid-Infrared Instrument (MIRI) and other Webb instruments have been cooling by radiating their thermal energy into t… [+6106 chars]

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