https://techcrunch.com/2022/07/12/how-james-webb-space-telescope-jwst-sends-images-to-earth/

NASA has just revealed the James Webb Space Telescope’s first set of images, from an awe-inspiring deep field of galaxies to a minute characterization of a distant exoplanet’s atmosphere. But how does a spacecraft a million miles away get dozens of gigabytes of data back to Earth?

First let’s talk about the images themselves. These aren’t just run of the mill .jpgs — and the Webb isn’t just an ordinary camera.