NASA's James Webb Space Telescope will see the first galaxies to form after the Big Bang, but to do that, its instruments first need to get cold--really cold. On April 7, Webb's Mid-Infrared Instrument (MIRI)--a joint development by NASA and ESA (European Space Agency)--reached its final operating temperature below 7 kelvins (minus 447 degrees Fahrenheit, or minus 266 degrees Celsius).
James Webb telescope's coldest instrument reaches operating temperature
Phys.org - 13 Apr 2022 22:53
NASA's James Webb Space Telescope will see the first galaxies to form after the Big Bang, but to do that, its instruments first need to get cold--really cold. On April 7, Webb's Mid-Infrared Instrument (MIRI)--a joint development by NASA and ESA (European Space Agency)--reached its final operating temperature below 7 kelvins (minus 447 degrees Fahrenheit, or minus 266 degrees Celsius).
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