https://www.businessinsider.in/science/news/a-rare-manuscript-about-eclipses-just-sold-for-255000-at-auction-its-author-was-the-man-who-discovered-the-most-famous-comet-/articleshow/106103414.cms
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Edmond Halley discovered that a certain comet, which now has his name, returns every 76 years.Two of his papers on eclipses recently sold at auction for about
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