Astronomy By tapuz463 Period: Feb 19, 1473 to May 24, 1543 Nicolaus Copernicus Jan 1, 1543 Copernicus publishes Heliocentric theory Period: Dec 14, 1546 to Oct 24, 1601 Tycho Brahe Period: Feb 15, 1564 to Jan 8, 1642 Galileo Galilei Period: Dec 27, 1571 to Nov 15, 1630 Johannes Kepler Nov 11, 1572 Brahe discoverse supernova in Cassiopeia Jan 1, 1588 Brahe Proves Comets Move Beyond Moon Jan 1, 1602 Brahe Publishes his own Model Jan 1, 1609 Galileo observes Jupiter's Moons Jan 1, 1609 Kepler's First and Second Laws Announced Jan 1, 1609 Galileo Uses First Telescope Jul 1, 1609 Galileo Observes Saturn's Rings Nov 1, 1609 Galileo Observes Lunar Craters Dec 1, 1609 Galileo Observes Venus's Phases Jan 1, 1619 Kepler Publishes Third Law Jan 1, 1632 Galileo Publishes concept of Basic Relativity Period: Dec 25, 1642 to Mar 20, 1727 Isaac Newton Jan 1, 1666 Newton Establishes that Spectrum is Components of White Light Jan 1, 1668 Newton Constructs First Reflecting Telescope Jan 1, 1672 Newton Develops Particle Theoy of Light Jan 1, 1676 Romer Measures Speed of Light (inaccurate) Jan 1, 1687 Newton publishes Theory of Universal Gravitation Jan 1, 1687 Newton publishes Laws of Motion Jan 1, 1800 William Herschel Discovers Infrared Radiation Jan 1, 1801 Johann Ritter Discovers Ultraviolet Region Jan 1, 1808 John Dalton Proposes Billiard Ball Model Jan 1, 1826 John Herschel and Fox Talbot discover Emission Spectrum Jan 1, 1832 David Brewster Explains Dark Line Spectrum As Light Absorption Jan 1, 1861 Maxwell Equations Jan 1, 1888 Heinrich Hertz Discovers Radiowaves Jan 1, 1895 Wilhelm Rontgen discovers X-Rays Jan 1, 1897 JJ Thomson Proposes Plum Pudding Model Jan 1, 1898 Ernest Rutherford Proposes Solar System Model Gold Foil Experiment Jan 1, 1900 Paul Villard Discovers Gamma Rays Jan 1, 1900 Max Planck Proposes Formula for Black-Body Radiaiton Jan 1, 1905 Einstein Proposes Photoelectric Effect Jan 1, 1913 Niels Bohr Explains Hydrogen Spectrum (Shell Model) Jan 1, 1923 Louis deBroglie Proposes Electron Wave Model Jan 1, 1925 Schrodinger Proposes Quantum Mechanical Model Jan 2, 1959 First Lunar Flyby Sep 14, 1959 First Lunar Crash Luna 2 Oct 4, 1959 First View of Far Side of Moon Luna 3 Feb 3, 1966 First Lunar Landing Luna 9 Jul 20, 1969 First Humans on Moon Apollo 11 Sep 12, 1970 First Lunar Sample Return Luna 16 Nov 15, 1970 First Lunar Rover Lunokhod 1
