James Webb Space Telescope begins final check-outs before science observations

NASA’s next-generation observatory is entering the last stages of preparation before showing scientists an all-new view of the universe.

Engineers are preparing to make final tweaks to the instruments on board the James Webb Space Telescope as the observatory readies for operations this summer. NASA said the telescope has “calibrations and characterizations of the instruments using a rich variety of astronomical sources” coming up shortly to make sure everything is working before Webb is set loose to examine the early universe.

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