Sept. 1, 1804 -
German astronomer Karl Ludwig Harding discovers Juno, one of largest asteroids in the asteroid belt.
Sept. 3, 1905 -
American experimental physicist Carl David Anderson is born. Anderson would receive the 1936 Nobel Prize in Physics for his discovery of the positron.
Sept. 5, 1906 -
Austrian physicist Ludwig Boltzmann dies. Part of the illustrious Boltzmann family, which permeated nineteenth century European intellectual life in mathematics & the sciences, Ludwig is best known for his work in statistical mechanics and thermodynamics. He strongly advocated atomic theory, well before it was popular to do so.
Sept. 3, 1976 -
U.S. spacecraft Viking II arrived on Mars, landing at Utopia Planitia, and took the first pictures of the planet's surface. Viking II was, of course, an unmanned spacecraft.
Sept. 2, 1992 -
The first automobile powered by natural gas is purchased. Fifty of these alternative fuel vehicles were purchased and put into service by the Southern California Gas Company
