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Articles related to "Claudius Ptolemaeus"
Ptolemy and Geography Ptolemy's geography contained many errors, but it also pioneered many concepts that we still use today. ptolemy • claudius ptolemaeus • ptolemy's geography • latitude longitude • ancient greek
Ptolemy Astronomer Geographer Ptolemy was an ancient Greek scholar who originated the Ptolemaic system in astronomy and made important contributions to geography and optics. ptolemy • claudius ptolemaeus • ptolemaic astronomy • ptolemy's geography • latitude longitude
Ptolemy, Astronomy, & Almagest Ptolemy's geocentric astronomical system placed Earth at the center of the universe and he was considered the ultimate authority in astronomy for about 1400 years. ptolemy • claudius ptolemaeus • ptolemaic astronomy • hipparchus • equant
Ptolemy and His Map of the World Greek scholar Ptolemy published Guide to Geography, which became the definitive work on the subject for centuries, influencing Renaissance explorers. ptolemy • ptolemy world map • ptolemy geography • claudius ptolemaeus • ptolemy cartography
Hipparchus Greek Astronomer Hipparchus' precision and astronomical calculations led to his invention of trigonometry and discovery of precession, the compilation of the first Star Catalogue. hipparchus • greek ancient astronomer • ancient astronomical observer • hipparchus precession • hipparchus compilation star catalogue
OK, So They Got It Wrong! Even geniuses get it wrong sometimes. thales • pythagoras • anaxagoras • hippocrates • democritus |
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