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8. https://www.cnet.com/news/solar-eclipse-2020 -a-history-of-eclipses-and-bizarre-responses-to-them/; https://www.jstor.org/stable/1006543 ; https://www.atlasobscura.com/articles/how-to-predict-eclipse-computer-math-antikythera.

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12. https://www.smithsonianmag.com/science-nature/ancient-greek-philosopher-was-exiled-claiming-moon-was-rock-not-god-180972447 /.

13. https://www.smithsonianmag.com/science-nature/ancient-greek-philosopher-was-exiled-claiming-moon-was-rock-not-god-180972447 /.

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18. https://www.deutschlandfunk.de/die-verpasste-entdeckung-galileo-galilei-uebersieht-neptun-100 .html.

19. https://www.nature.com/articles/d41586 –018 –06769 –4 .

20. http://galileo.rice.edu/gal/urban.html.