A new cosmic dawn: peering across the universe with NASA’s James Webb Space Telescope
Physics World
JANUARY 7, 2022
Layered protection: A test model of the giant sunshield that will keep the JWST cool. But the sunshield engineers were not the only ones biting their fingernails about keeping the JWST cool. Keeping cool. Keeping the helium refrigerant cool on its journey though the telescope’s plumbing is therefore vital.
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