Planetary motion theories include Ptolemy’s geocentric model, Copernicus’ heliocentric theory, Kepler’s elliptical orbits, and Newton’s gravitational laws. Class 11 Physics Gravitation CBSE EXAM 2024-25
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Sukh Lal Dube
Asked: In: Class 9 Science
Newton extended the idea by arguing that the same force causing an apple to fall to Earth and the Moon to orbit Earth also governs the motion of planets around the Sun.