It was only 200 years ago that we first accurately calculated a distance to another star. Check out this article where astronomers have dug into that original work to see how it was done. @maxplanckpresshttps://t.co/f8f3FYtGt2
"Universities are interested in training students and not in the frequent revision of what is being taught… hence it's often the case that they don't teach what's true, but what is simple." − Kepler, 1618