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If the Earth were flat, cats would have pushed everything off by now.
Another thing that amazes me is how the early astronomers made such detailed calculations of the movements of the planets, just with the naked eye and loads of patience.
I met it when I was doing S101 with the Open University (in my 40s), so you can imagine the problems it gave me, trying to think beyond the basic information they provided. Another thing that amazes me is how the early astronomers made such detailed calculations of the movements of the planets, just with the naked eye and loads of patience.
Quote from: Bill S on 17/12/2017 12:55:33I met it when I was doing S101 with the Open University (in my 40s), so you can imagine the problems it gave me, trying to think beyond the basic information they provided. Another thing that amazes me is how the early astronomers made such detailed calculations of the movements of the planets, just with the naked eye and loads of patience. Strictly speaking, they didn't just use the naked eye. They had some tools.https://en.wikipedia.org/wiki/Astrolabehttps://en.wikipedia.org/wiki/Quadrant_(instrument)
In the middle of the Carnmeal Downs, in the 1940s, there was little light pollution. It would not have compared with your Australian experience, but the only visible light was from Porthleven, and where was very little of that.
Lights? In the 1940's? Treason!