Outstanding π
— Mark McCaughrean (@markmccaughrean) April 8, 2022
The last major #JWST sub-system to be deployed, the cryocooler for the mid-infrared instrument, MIRI, has reached its goal, bringing the detectors to just 7K (-266ΒΊC).
MIRI can now join NIRCam, NIRSpec, & NIRISS in taking commissioning data en-route to science π https://t.co/1AkzU0Eiq9