Science: Astronomers and their Contributions
Science: Astronomers and their Contributions Ptolemy, Claudius – Geocentric model (earth-centered) Copernicus, Nicholaus – Heliocentric model (uniform circular motion) Tycho Brahe – astronomical instrument Johannes Kepler – Law of Orbit, Law of Equal Areas, Law of Period Galileo Galilei – telescope, thermometer, compass, pendulum, satellite of Jupiter Isaac Newton – Law of Inertia, Law of Acceleration