The largest space observatory in history will carry an ultra-cool camera aboard: the MIRI instrument. Itβs one of four scientific instruments on @NASAWebb, and to operate, it must be cooled to almost the coldest temperature matter can reach!
Why so cold?π https://t.co/pvw3er8r0N https://t.co/gEQNUk785B— NASA JPL (@NASAJPL)
Dec 15, 2021
from http://twitter.com/NASAJPL
via IFTTT