Historical Developments of the Solar System

Ptolemy

150

Ptolemy is best known for his essay Almagest. He supported the geocentric method. Ptolemy was the creator of the geocentric belief.

Nicolause Copernicus

May 12, 1543

Nicolause Copernicus was an astromor during the Renaissance peiod. He was the first person to belive in Heliocentrism. His book, De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres), is thought to be the beginings of modern astronomy and the scientific revolution.

Tycho Brahe

Nov 12, 1546

Tycho Brahe was a Danish astronomer who made scientific breakthroughs with planets and stars. His evidences were the most accurate of his day. Tycho came up with the theory that all the planets orbit the sun, with the exception of earth. He believed the sun orbited the earth.

Johannes Kepler

Nov 12, 1571

Johannes Kepler was a German Astronomer. Kepler was an apprentice under Tycho Brahe, he gained uch scientific wealth studying under the infamous scientist. He created 3 laws.

1.The Planets move in orbits about the Sun that are ellipses
2 . The planets move such that the line between the Sun and the Planet sweeps out the same area in the same area in the same time no matter where in the orbit.
3. The square of the period of the orbit of a planet is proportional to the mean distance from the Su

Galileo

Sep 1, 1610

Galileo played a key role in the scientific revolution. He made improvements to the telescope and then exhibited the many phases of Venus. He then diminished the liability of the methods of Ptolemy and all of Geocentricism. Galileo is named the"father of modern observational astronomy," the "father of modern physics," the "father of science," and the "Father of Modern Science."

Sir Isaac Newton

Dec 31, 1687

Isaac Newton believed in the Heliocentric belief. He wrote about gravitation and the heliocentric theory in his book Principia Mathematica in 1687.