How the Webb sends its hundred-megapixel images a million miles back 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.
Like any scientific instrument, the Webb captures and sends home reams of raw data from its instruments, two high-sensitivity near- and mid-infrared sensors

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