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Feb 19, 1473
Nicholas Copernicus
formulated a helicentric model of universe that placed the sun in he center rather than the earth -
Dec 14, 1546
Tycho Brahe
accurate and comprehensive astronomy and plantery observations -
Feb 15, 1564
Galileo Galilie
was an Italian physicist, mathematician, astronomer, and philosopher who played a major role in the scientific revolution -
Dec 27, 1571
Johannes Kepler
law of plantery motion , based on his works -
Giovanni Cassini
an Italian/French mathematician, astronomer, engineer, and astrologer. -
Sir Isaac Newton
an English physicist and mathematician who is widely recognised as one of the most influential scientists of all time and as a key figure in the scientific revolution. -
Edmond Haley
an English astronomer, geophysicist, mathematician, meteorologist, and physicist who is best known for computing the orbit of the eponymous Halley's Comet -
Charles Messier
a French astronomer most notable for publishing an astronomical catalogue consisting of nebulae and star clusters that came to be known as the 110 "Messier objects". -
William Herschel
was a Hanoverian-born British astronomer, technical expert, composer, and brother of Caroline Herschel -
Anne Jump Cannon
an American astronomer whose cataloging work was instrumental in the development of contemporary stellar classification. -
Albert Einstein
a German-born theoretical physicist. He developed the general theory of relativity, one of the two pillars of modern physics. -
Edwin Hubble
American astronomer who played a crucial role in establishing the field of extragalactic astronomy and is generally regarded as one of the most important observational cosmologists of the 20th century. -
Frank Drake
an American astronomer and astrophysicist. He is most notable as one of the pioneers in the search for extraterrestrial intelligence, including the founding of SETI, mounting -
Carl Sagan
an American astronomer, astrophysicist, cosmologist, author, science popularizer and science communicator in astronomy and natural sciences. -
Stephen Hawking
an English theoretical physicist, cosmologist, author and Director of Research at the Centre for Theoretical Cosmology within the University of Cambridge.
