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Feb 19, 1473
Nicholas Copernicus
Known for making the model of the universe with the sun placed in the middle -
Dec 14, 1546
Tycho Brahe
known for his accurate and comprehensive astronoid phemetry observations -
Feb 15, 1564
Galilieo Galilie
Known for inventing a very good astronomical telescope -
Dec 27, 1571
johannes Kepler
Known for laws of planetary motion -
Giovanni Cassinni
Known for discovering the diurnal rotation of Venus -
Sir Isaac Newton
Known for the laws of motion and universal gravitation -
Edmond Haley
Known for computing orbit of the oponymous haley's comet -
Charles Messier
Known for astronomical catalog consisting of hebulae and star cluster that are known as the 110 messier objects -
William Herschel
Known for being the founder of sidereal astronomy of the systematic observation of the heavens -
Anne Jump Cannon
Responsible for the classification of many stars -
Albert Einstein
Known for developing the theory of relativity -
edwin Hubble
Known for showing the recessional velocity of a galaxy increases with its distance from the earth -
Frank Drake
Known for being the first pioneer in the search for extraterrestrial intelligence -
Carl Sagan
Author of development of the universe and theory -
Stephen Hawking
Known for his extensive research of black holes
