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Feb 19, 1475
Nicholas Copernicus
Copernicus developed that the planets and Earth rotate around the Sun. This was also known as the Heliocentric model of the universe. -
Dec 14, 1546
Tycho Brahe
Discovered the variation of the Moon's longitude. -
Feb 15, 1564
Galileo Galilei
Discovered dark patchs on the Sun which are now called sunspots. -
Dec 27, 1571
Johannes Kepler
Discovered the law of planetary motion. -
Giovanni Cassini
Discovered the Cassini Division in Saturns ring, Cassini's Law and the Cassini Oval. -
Sir Isaac Newton
Discovered gravity and what gravity is. -
Edmond Halley
Discovered Halleys comet. -
Charles Messier
Developed the Messier catalog which is a set of astronomical objects. -
William Herschel
Discovered Uranus as well as serveral moons around the gas giants planets. He also discovered infrered radiation. -
Anne Jump Cannon
Delevoped the contemporary stellar classification. -
Albert Einstein
Developed the General Relativity theory which is known today as astrophysics. It helps scientist understand black holes. -
Edwin Hubble
American astronomer who showed with recessional velocity the universe is expanding. This theory is also known as Hubble's Law. -
Frank Drake
Astronomer most known for his search in extraterrestial intelligence (SETI). -
Carl Sagan
Known for his scientific reasearch of extraterrestrial life and the production of amino acids from the chemicals in radiation -
Stephen Hawking
He helpped discovered hawking radiation which is released by black holes. Explained cosmos through the general theory of relativity and quantum mechanics.
