James Webb Space Telescope’s supercold camera is ready

Teams preparing the James Webb Space Telescope for the commencement of its science operations have concluded the fine-tuning of the second of its four cutting-edge instruments ahead of the reveal of the telescope’s first science-grade images less than two weeks from now.

The Mid-Infrared Instrument (MIRI) combines a camera that images the universe in mid-infrared wavelengths and a spectrograph that can capture light spectra of the observed stars and galaxies. These spectra, essentially the fingerprints of how celestial objects absorb light, reveal their chemical composition.

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