Image: NASA, ESA, CSA, STScI and Webb ERO Production Team

As light travels through space, it gets stretched by the expansion of the universe. This is why many of the most distant objects shine in infrared light, which is longer in wavelength than visible light. We can't see this ancient light with our eyes, but the James Webb Space Telescope (JWST) was designed to capture it, revealing some of the first galaxies ever to form...

Scientific American: Are the James Webb Space Telescope’s Pictures ‘Real’?

Scientific American. December 2022

Image: Jen Christiansen; NASA, ESA, CSA, STScI and Webb ERO Production Team.