JWST Commissioning Enters Homestretch

A comparison of test images from NASA’s now-retired Spitzer infrared space telescope and JWST’s Mid-Infrared Instrument, part of the Large Magellanic Cloud, a small satellite galaxy of the Milky Way.
Credit: NASA/JPL-Caltech (left), NASA/ESA/CSA/STScI (right)
CAPE CANAVERAL—The James Webb Space Telescope (JWST) is entering the final phase of commissioning prior to the start of science observations this summer, project scientists told reporters May 9. The telescope, which launched on Dec. 25, 2021, aboard an Arianespace Ariane V rocket, is designed to...

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