The JWST is having a problem. One of its instruments, the Near Infrared Imager and Slitless Spectrograph (NIRISS), has gone offline. The NIRISS performs spectroscopy on exoplanet atmospheres, among ...
One of the James Webb Space Telescope’s four primary scientific instruments, known as the Near-Infrared Imager and Slitless Spectrograph instrument (NIRISS) has concluded its postlaunch preparations ...
A communications delay timed out the instrument’s flight software, and some planned observations will have to be rescheduled, NASA says. Reading time 2 minutes NASA says the Webb Space Telescope’s ...
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