Great astronomers
---Ptolemy.---Copernicus.---Tycho Brahe.---Galileo.---Kepler.---Isaac Newton.---Flamsteed.---Halley.---Bradley.---William Herschel.---Laplace.---Brinkley.---John Herschel.---The Earl of Rosse.---Airy.---Hamilton.---Le Verrier.---Adams
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