Frank L. H. Wolfs
Department of
Physics and Astronomy, University of Rochester, Slide 19
Sir Isaac Newton, a portrait by Kneller in
1702.
National Portrait Gallery in London.
Before
Einstein:
Newton's laws of motion and gravity.
Newton's laws of motion and gravity.
¥Using Newton's laws of motion, physicists could
explain many phenomena in astronomy:
¥The orbits of planets around the sun.
¥The orbits of the moons around the
planets.
¥The existence of undiscovered planets and
moons (such as Uranus, Neptune, and Pluto).
