Interesting from the comments section:
This makes me wonder if somewhere, there's a galaxy, or set of galaxies, with just the right alignment and right amount of gravitational lensing for the light of our galaxy to bend and curve back to us, so that we can directly observe our past?Theoretically, someone in the distant future could grab some popcorn and a chair and watch the entirety of the human race play out like a YouTube video.
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