The supercooled camera of the James Webb Space Telescope bounces off the defect

The James Webb Space Telescope’s ultra-cool MIRI camera is back in full science after a technical problem on the retina wheel forced scientists to stop some observations.

The grooved wheel on the Medium Resolution Spectrometer (MRS) from James Webb Space TelescopeThe Mid-Infrared Instrument (MIRI) allows astronomers to choose wavelengths of light to observe the ocean Universe. The wheel, which is used in only one of MIRI’s four observation modes, began showing signs of friction in August, forcing the mission team to suspend observations in the affected position.

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