You presented Doby with clothes? By Gunny97 Sep 8, 1919 Confirmation of the Theory of General Relativity. Sep 17, 1919 Dr. Shapley observes the Milky Way. Period: Sep 17, 1919 to Sep 17, 2006 Cosmic Times Dec 17, 1919 Einstein adds cosmological constant to General Relativity equation. Sep 18, 1929 Edwin Hubble takes photos of spiral nebulae Sep 18, 1929 Proved the existence of Andromeda Sep 18, 1929 Spiral, irregular, and eliptical galaxies named Sep 18, 1955 Walter Baade photographed Andromeda Sep 18, 1955 Two types of super-novae identified: Type 1 and Type 2 Sep 18, 1955 Two thoeries for the creation of the Universe: Big Bang and Steady State Sep 18, 1965 Arno Panzias and Robert Wilson discovered energy existing at the center of the universe Sep 18, 1965 Emily LeRox, Andre Doroshkevic, and Edward Ohm missed backround radiation in their data Sep 18, 1965 NGC 3521 and NGC 972 astronomers find light doesn't match what we would expect from the amount of matter Sep 22, 1993 Inflation theory states that the Universe underwent a very rapid expansion. Sep 22, 1993 Dark Matter: Matter we can not see, but exerts gravity Sep 22, 1993 The big bang created energy called Cosmic microwave backround (CMB) Sep 22, 2006 Universe Composition:Darkness: 73%, Atoms: 4%, Dark matter: 23% Sep 22, 2006 Dr. John C. Mather, a NASA won a Nobel Prize for discoveries about the microwave backround.
