How James Webb Telescope will be able to take pictures of something millions of distance away?
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You can see the Andromeda Galaxy with your naked eye if you get outside of the city. Distance isn’t the problem exactly. It’s brightness. A distant object is more faint, and an object billions of light years away is going to be ridiculously faint, but telescopes get around this by having massive mirrors. The mirror on Hubble is 10 feet wide. On JWST it’s more like 23. This allows it to capture as much of that faint light as possible allowing it to render a proper image.
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