ersentenza t1_j192xog wrote
Reply to comment by TheLostHippos in in the FAQ it is stated that one proof of the universe's expansion is that "more distant galaxies are packed closer together". What sort of measurements have been made to show this? by DanTheTerrible
Exactly, we are not seeing them as they are now, but as they were back then. So we can observe they were closer in the past.
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