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Feb 14, 1473
Nicholas Copernicus
He formulated a helocentric model of the universe which placed the sun, rather than the earth, at the center. -
Dec 14, 1546
Tycho Brahe
Using similair measurments he showed that comets were also not atmosperic phenomend. -
Feb 15, 1564
Galileom Galilie
The discovery of the four largest satellite of jupiter and an improved military campass and other instruments. -
Dec 27, 1571
Johannes Kepler
He did fundamentail work in the feild og optics. Invented am improved version of the refracting telescope. -
Giovanni Cassini
Is known for his work in the fields of astronomy and engineering -
Sir Isaac Newton
He built the first practical retlecting teles cope and developed a theory of colur. -
Edmond Haley
Is best known for computing the orbit of the eponymous hailey's comet -
Charles Messier
Messier's first documented observation was that of the Mercury transit of 6 May 1753 -
William Herschel
Discvered the Planet Uranus, along with two of its major moons. -
Anne Jump Cannon
Was instrumental in the develpoment of contemporary stellar clasification. -
Albert Einstein
Developed the general theory of relativity on the two pillars of modern physics -
Edwin Hubble
Established the field of extragellactic astronomy -
Frank Drake
Mounted the first observations attempts at detecting extraterrestrial communication in 1960 -
Carl Sagan
Is best known for his contribution to the scientific research of extraterrestrial life -
Stephen Hawking
Was the first to set forth a cosmology explained by a union of the general theory of relativity and quanttm mechanics
