The Almagest /ˈælmədʒɛst/ is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by...

European science. The first was his astronomical treatise now known as the Almagest, originally entitled Mathematical Treatise (Greek: Μαθηματικὴ Σύνταξις...

second-century Almagest; and additional references to him in the fourth century by Pappus and Theon of Alexandria in their commentaries on the Almagest. Hipparchus's...

interrelations between the six trigonometric lines associated with an arc. His Almagest was widely read by medieval Arabic astronomers in the centuries after his...

the surviving text of Ptolemy's Almagest, based on the title of her father Theon's commentary on Book III of the Almagest. Hypatia constructed astrolabes...

influential practitioner of Greek astronomy was Ptolemy, whose treatise Almagest shaped astronomical thinking until the modern era. Most of the most prominent...

of Riccioli's most significant works was his 1651 Almagestum Novum (New Almagest), an encyclopedic work consisting of over 1500 folio pages (38 cm x 25 cm)...

zodiac is described in Ptolemy's comprehensive 2nd century AD work, the Almagest. Although the zodiac remains the basis of the ecliptic coordinate system...

listed by Ptolemy, a Greco-Roman astronomer from Alexandria, Egypt, in his Almagest. The formation of constellations was the subject of extensive mythology...

astronomy on the celestial motions), was an extensive summary of Ptolemy's Almagest containing revised and more accurate experimental data. Christopher Columbus...