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The original was posted on /r/explainlikeimfive by /u/satskisama on 2023-07-01 15:02:11+00:00.

So looking at something from very far away, lets you see things that have already happend at the place youre looking at. Now can we send a telescope with a camera really far in space and then aim it towards earth to see past happenings, perhaps even dinosaurs? This way we could find out how the pyramids were built or how the continents used to look like…

It appears not to be possible because nobody has done it but why?