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Feb 19, 1473
Nicholas Copernicus
Formulated a heliocentric model of the universe. -
Dec 14, 1546
Tycho Brahe
Astronomical and planetary observatiaons. -
Feb 15, 1564
Galileo Galilie
Improve the telescope. -
Dec 27, 1571
Johannes Kepler
Laws of planetary motion. -
Giovanni Cassini
Discovered 4 satellites of the planet Saturn work in the fields of astronomy and engineering. -
Sir Isaac Newton
Formulated the laws of motion and universal gravitation. -
Edmond Haley
Computing the orbit of the eponymous Halley's comet. -
Charles Messier
Publishing an astronomical cataogue. -
William Herschel
Discovered Uranus. -
Anne Jump Cannon
Harvard dassification scheme. -
Albert Einstein
General theory of reativity. -
Edwin Hubble
established the field of extragalactic astronomy. -
Frank Drake
Search for extraterrestrial intelligence. -
Carl Sagan
Discovery of the high sulface temperaures of Venus. -
Stephen Hawking
Collaborated with Roger Penrose on gravitational singularity theorems.
