Word: hipparchus
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Dates: during 1970-1979
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...difference? To Newton, the evidence suggests that Ptolemy accepted the observations of an earlier astronomer, Hipparchus, without checking them against his own. Newton feels that Ptolemy may also have followed a technique used by mediocre students throughout history: he worked backward to prove the results he wanted to get, and sometimes made up his data. Whatever he did, Ptolemy got away with it for 18 centuries...
...these fires shining through tubelike breathing holes in the sky. Another citizen of Miletus, Anaximenes, believed the stars were fixed like nails to the vault of the heavens. Aristotle maintained that celestial objects were permanent, immutable and perfect. His notion so influenced Greek thought that when the astronomer Hipparchus spotted what seemed to be a new star in 134 B.C., he attributed his discovery to an omission by his predecessors. He also compiled the first accurate star map so that future sky watchers would be spared his dilemma...
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