'150 A.D.:<br />This Egyptian astronomer discovers irregularity in the Moon's orbital motion'
Ptolemy
THE MOON: 150 A.D.:<br />This Egyptian astronomer discovers irregularity in the Moons orbital motion
150 A.D.:<br />This Egyptian astronomer discovers irregularity in the Moon's orbital motion
150 A.D.:<br />This Egyptian astronomer discovers irregularity in the Moon's orbital motion
THE MOON
Ptolemy
THE MOON