Ptolemy

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# Clue Answer As Given Value Round Category Air Date Show
The Earth-centric theories of this astronomer of the 2nd century A.D. were largely taken as fact until the 1500s Ptolemy $1,600 DJ SCIENTISTS 2022-03-25 #8605
In the 2nd century this Alexandrian astronomer catalogued 47 of the 88 constellations we know today Ptolemy $1,600 DJ SCIENTISTS 2011-12-29 #6279
(Kelly of the Clue Crew indicates a diagram of the solar system on the monitor.) The sun revolves around the Earth in the model of the universe by this Alexandrian; it held up about 1,500 years until Copernicus Ptolemy $800 J DEAD SCIENTISTS' SOCIETY 2006-06-22 #5029
c. 140 A.D. this Alexandrian astronomer cataloged 48 of the 88 constellations now recognized Ptolemy $400 J SCIENTISTS 1993-10-29 #2105
Our main source of knowledge of Greek astronomy is his "Almagest", completed in the 2nd century Ptolemy $400 DJ FAMOUS SCIENTISTS 1991-11-08 #1655
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