No, the James Webb Space Telescope (JWST) is not designed to see visible light. JWST is a space-based observatory developed by NASA, the European Space Agency (ESA), and the Canadian Space Agency (CSA) to be the successor to the Hubble Space Telescope. Its primary mission is to observe the universe in the infrared portion of the electromagnetic spectrum.
JWST's instruments are optimized to study objects and phenomena in the infrared wavelength range, which extends from about 0.6 micrometers to 28.5 micrometers. This range allows the telescope to observe distant galaxies, stars, and other celestial objects that emit light at infrared wavelengths.
The reason for focusing on infrared observations is that many important astrophysical processes, such as the formation of stars, the birth of galaxies, and the presence of planetary systems around distant stars, are best studied in the infrared part of the spectrum. Additionally, infrared light can penetrate dust and gas clouds more effectively than visible light, enabling JWST to study objects that are obscured in visible light observations.
So, while JWST is an incredibly powerful and advanced observatory, its capabilities are centered around observing in the infrared, and it does not directly observe visible light.