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[deleted] t1_j4mfxnt wrote

Reply to comment by TwentyninthDigitOfPi in How do we know that we are in a certain place inside our galaxy? and how do we know how big it is just by looking at the cross section we are in? by friday_panda

Yeah, you'd have to wait like 200 million years for any valuable parallax data from the Sun's orbit around the galaxy.

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Colon t1_j4myfry wrote

sounds like ancient alien knowledge becomes more and more valuable as time goes on

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