Ptolemei (168 BC - 90 BC) - Geocentric conception (1 Jan 168 Jahr v. Chr. – 1 Jan 90 Jahr v. Chr.)
Beschreibung:
He developed a theory that explains the planets motion in the sky, based on the geocentric conception (Earth is in the center of the universe, and everything else revolves around it)note: there is no exact date in the course.
Zugefügt zum Band der Zeit:
Datum:
1 Jan 168 Jahr v. Chr.
1 Jan 90 Jahr v. Chr.
~ 78 years