@ESA_Webb@ukatc@esa Looks like Webb-MIRI and its cryocooler successfully maneuvered across the "pinch point."
Check out this thread for some supplementary info. on the topic.
https://t.co/gYmMiDdXv7
@ukatc@esa At that time, the cooler will have pulled out almost all of the heat left in MIRI’s 100 kilograms of metal and glass from that tropical launch day morning, three months ago. MIRI will be the last of Webb’s four instruments to open its eyes on the universe”
@ukatc@esa “Getting this instrument cold is one of the last major challenges faced by Webb before the MIRI team can truly relax, and passing through the cooler’s ‘pinch point’ will be the most daunting step in this challenge. 👇