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Ordoshsen t1_j4pebpg wrote on January 17, 2023 at 9:25 AM

Reply to comment by craigiest 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

We do know the size. And I was wrong with how well we can measure the parallax. But other than the parallax the explanation was still mostly incorrect as far as I can tell.