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Review: Ptolemy's Almagest
User Review  Alex Milledge  GoodreadsCould barely understand the math involved. That's on me though. But I think that i can see what he was trying to get at, establishing the regular orbits on the planets. Read full review
Review: Ptolemy's Almagest
User Review  Acacio de Barros  GoodreadsBeautiful mathematical proofs and lots of empirical evidence. A must read to those thinking that serious empirical investigations were not part of science before Galileo. Read full review
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Common terms and phrases
ABGD advance Almagest amount apogee apparent Arabic tradition arc ZH argument bright star calculations catalogue circle about rightangled column computed constellation Corrected by Manitius corresponding chords Crd arc D,Ar diameter difference earth eccentre ecliptic Egyptian calendar epicycle epicycle centre epoch equal equation of anomaly equinoctial hours equinox fixed stars given gnomon greatest distance greatest elongation Greek mss HAMA Heiberg Hence Hipparchus horizon hypotenuse hypothesis inclined circle increment interval Latitude in degrees least distance longest day Longitude in degrees lunar eclipses magnitude mean distance mean longitude mean motion mean position Mercury meridian moon moon's motion in longitude Nabonassar noon northernmost Number in constellation observations opposite parallax parallel perigee planet poles Ptolemy Ptolemy's quadrant radius ratio rear rearmost revolution right angles rightangled triangle risingtimes Saturn Scorpius semicircle shadow solar eclipses speed subtends subtraction sun's syzygy timedegrees true longitude units Venus zenith