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Originally Posted by underscore
Two issues with that I think. We'd only be able to see it if they happened to have something visible to us at the point in time that we're currently seeing. So it would've had to occur millions or billions of years ago for us to see it now since that's how long it takes for the light to get here. Also even with how much the telescope can see, things that are unbelievably huge irl are still tiny in the image.
I'm not sure how radio waves are observed by comparison though, but I think that would be more likely to detect something?
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K, that makes sense in that it would have had to happen millions of years ago for us to detect it via the Webb telescope now.