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Hipparchus

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Hipparchus.jpg Hadley's SextantThumbnailsMap of the MoonHadley's SextantThumbnailsMap of the MoonHadley's SextantThumbnailsMap of the MoonHadley's SextantThumbnailsMap of the MoonHadley's SextantThumbnailsMap of the MoonHadley's SextantThumbnailsMap of the Moon