Webb Space Telescope's Coldest Instrument Reaches Operating Temperature Below Minus 447° F - SciTechDaily

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 Sp…

In this illustration, the multilayered sunshield on NASAs James Webb Space Telescope stretches out beneath the observatorys honeycomb mirror. The sunshield is the first step in cooling down Webbs inf… [+6672 chars]

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