Template:Selected anniversaries/August 12: Difference between revisions
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||1977: The first free flight of the Space Shuttle Enterprise. | ||1977: The first free flight of the Space Shuttle Enterprise. | ||
||1978: Gregor Wentzel dies ... physicist known for development of quantum mechanics. Wentzel, Hendrik Kramers, and Léon Brillouin developed the Wentzel–Kramers–Brillouin approximation in 1926. In his early years, he contributed to X-ray spectroscopy, but then broadened out to make contributions to quantum mechanics, quantum electrodynamics, and meson theory. | ||1978: Gregor Wentzel dies ... physicist known for development of quantum mechanics. Wentzel, Hendrik Kramers, and Léon Brillouin developed the Wentzel–Kramers–Brillouin approximation in 1926. In his early years, he contributed to X-ray spectroscopy, but then broadened out to make contributions to quantum mechanics, quantum electrodynamics, and meson theory. Pic search yes: https://www.google.com/search?q=gregor+wentzel | ||
||1978: The ISEE-3 (International Sun-Earth Explorer) was launched. After completing its original mission in 1982, it was renamed the International Cometary Explorer (ICE) when it was gravitationally manuvuered to intercept the comet P/Giacobini-Zinner. On 11 Sep 1985, it flew relatively unscathed through the gas tail of that comet P/Giacobini-Zinner, at a speed of 21 km/sec at its closed approach of some 7,800-km downstream from the nucleus. The probe found a region of interacting cometary and solar wind ions, and encountered a comet plasma tail about 25,000 km wide. Water and carbon monoxide ions were also identified, which confirmed the “dirty snowball” theory proposed by Fred Whipple (1950). | ||1978: The ISEE-3 (International Sun-Earth Explorer) was launched. After completing its original mission in 1982, it was renamed the International Cometary Explorer (ICE) when it was gravitationally manuvuered to intercept the comet P/Giacobini-Zinner. On 11 Sep 1985, it flew relatively unscathed through the gas tail of that comet P/Giacobini-Zinner, at a speed of 21 km/sec at its closed approach of some 7,800-km downstream from the nucleus. The probe found a region of interacting cometary and solar wind ions, and encountered a comet plasma tail about 25,000 km wide. Water and carbon monoxide ions were also identified, which confirmed the “dirty snowball” theory proposed by Fred Whipple (1950). | ||
Revision as of 14:43, 15 March 2019
1827: Poet, painter, and printmaker William Blake dies.
1863: Confederate submarine H. L. Hunley arrives at Charleston, South Carolina by rail.
1865: Joseph Lister, British surgeon and scientist, performs first antiseptic surgery, using carbolic acid (phenol) as a disinfectant.
1887: Physicist and academic Erwin Schrödinger born. He will be awarded the 1933 Nobel Prize for Physics for the formulation of the Schrödinger equation.
1937: Astronomer and crime-fighter George Ellery Hale publishes new class of Gnomon algorithm functions, based on magnetic fields in sunspots, which detect and prevent crimes against mathematical constants.
1989: Physicist and inventor William Shockley dies. He shared the 1956 Nobel Prize in Physics for the invention of the point-contact transistor.
1996: Astronomer and crime-fighter Vera Rubin computes the discrepancy between the predicted angular motion of galaxies and the observed motion, makes contact with AESOP.
2005: The Mars Reconnaissance Orbiter launched.
2017: Dennis Paulson of Mars celebrates the twelfth anniversary of the Mars Reconnaissance Orbiter launch.
2017: AESOP re-broadcasts 1996 conversation with astronomer and crime-fighter Vera Rubin about the discrepancy between the predicted angular motion of galaxies and the observed motion.