29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
6553
797
2

sep 12, 151 BC - Ptolemy refines the geocentric model of the universe to try to explain the retrograde (east to west) motion of planets.

Added to timeline:

6 Aug 2017
0
0
528
New timeline
science

Date:

sep 12, 151 BC
Now
~ 2177 years ago
PremiumAbout & FeedbackTermsPrivacy
logo
© 2022 Selected Technologies LLC – Morgan Hill, California