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Ptolemy (jan 1, 100 – jan 1, 170)

Description:

100-170 AD, Greek mathematician, astronomer, geographer, astrologer; came up with the most popular geocentric model of the universe of his time that stood untested for hundreds of years.

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BHP Timeline (small scale)

ByIsabel Castagnola
17 Dec 2019
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Date:

jan 1, 100
jan 1, 170
~ 70 years
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