James Webb Space Telescope suffers second instrument failure

James Webb Space Telescope suffers second instrument failure

Every spacecraft falters from time to time, and even the most powerful space telescope ever launched is not immune.

The James Webb Space Telescope (JWST or Webb) was launched in December 2021 and has been conducting scientific observations since July 2022, stunning the world with its beautiful 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 the flight software to time out,” according to a Jan. 24 statement. (opens in new tab) from NASA. NIRISS cannot currently be used for science, the statement said.

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