Science

James Webb Space Telescope experiences 2nd instrument glitch

James Webb Space Telescope experiences 2nd instrument glitch


Every spacecraft glitches occasionally, and even the most powerful space telescope ever launched isn’t immune.

The James Webb Space Telescope (JWST or Webb) launched in December 2021 and has been conducting science observations since July 2022, stunning the world with its gorgeous images and revolutionary data. But on Jan. 15, JWST’s Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument “experienced a communications delay within the instrument, causing its flight software to time out,” according to a Jan. 24 statement (opens in new tab) from NASA. NIRISS can’t currently be used for science, the statement noted.

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