NASA investigating glitch on James Webb Space Telescope's ultracold camera - Space.com
James Webb Space Telescope's ultracold camera has experienced a technical glitch that is forcing the ground team to postpone some observations. .The problem affected the James Webb Space Telescope's Mid-Infrared Instrument's (MIRI) grating wheel, which allows scientists to choose the wavelength of light they want to focus on.Related: Marvel at the James Webb Space Telescope's largest image of the cosmos yet.— The James Webb Space Telescope never disproved the Big Bang.— Astronomers may be getting Webb Space Telescope exoplanet measurements wrong.
— James Webb Space Telescope's 1st images of Mars reveal atmosphere secrets.
MIRI, one of four high-tech instruments on the James Webb Space Telescope, is a combined camera and spectrograph, which means it takes both images and light spectra of the distant universe!The other three instruments — NIRCam, NIRSpec and FGS/NIRISS — rely on the telescope's tennis-court-sized sunshield to reach temperatures of minus 369.4 degrees Fahrenheit (minus 223 degrees Celsius).