Gravity
Gravity
Agenda Today 1 Kepler's Laws 2 Newton's Law of gravity 3 gravitational field and potential energy 4 Einstein's theory of gravity
Agenda Today 1 Kepler’s Laws 2 Newton’s Law of gravity 3 gravitational field and potential energy 4 Einstein’s theory of gravity
天何所沓？十二焉分？ 日月安属？列星安陈？ Sphere of the Fixed Stars Celestial Region Sphere of the Moon (Terrestrial Region) Fire A标 Water
天何所沓？十二焉分？ 日月安属？列星安陈？
Ptolemy's model of universe motion
Ptolemy’s model of universe
The heroes OANNIS KETTLER Cilgi tmbgu soi N R山G-+s
The heroes