It used the mid-infraRed instrument, which works near absolute zero temperature.
In yet another feat, the $10-billion James Webb Space Telescope has peered through the cosmic dust and brought pictures of complex structures inside a spiral galaxy 29 million light years away from us. The images released by theThe image shown above is of the spiral galaxy IC5332, which is almost perfectly face-on with respect to the Earth, providing a broad view of the extensive sweep of its spiral arms.
This is not a significant achievement on the JWST since the rest of the instruments operate at temperatures 33C higher than this. Nevertheless, the MIRI has a dedicated cooling system to ensure its detectors are maintained at the correct temperatures. It is important to note that Hubble's images look strikingly different from those of the JWST since the former was not equipped with sophisticated cooling systems for its mirrors and did not capture any images in the mid-infrared wavelength. So, the Webb Space Telescope can see what the Hubble could not.
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