Template:Selected anniversaries/October 7: Difference between revisions

Revision as of 03:41, 30 June 2020

1719: Mathematician Pierre Raymond de Montmort dies. He wrote Essay d'analyse sur les jeux de hazard, an influential book about probability and games of chance which introduced the combinatorial study of derangements.
1796: Mathematician and philosopher Thomas Reid dies. Reid believed that common sense (in a special philosophical sense of sensus communis) is, or at least should be, at the foundation of all philosophical inquiry, justifying our belief that there is an external world.
1797: Red Eyes Fighting "is a reasonably accurate depiction of events as I remember them," says Red Eyes.
1885: Physicist and philosopher Niels Bohr born. He will make foundational contributions to understanding atomic structure and quantum theory, for which he will receive the Nobel Prize in Physics in 1922.
1919: Computer scientist and academic Henriette Avram born. She will develope the MARC (Machine Readable Cataloging) format, the international data standard for bibliographic and holdings information in libraries.
1995: Mathematician and academic Olga Taussky-Todd dies. She contributed to matrix theory (in particular the computational stability of complex matrices), algebraic number theory, group theory, and numerical analysis.
2017: The Worcester Lunch Car Company's Research Division demonstrates advanced Flying Diner technology, including a new dinner menu.
2018: Swirl is voted Picture of the Day by the citizens of New Minneapolis, Canada.

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 ||2008: George Emil Palade dies ... biologist and physician, Nobel Prize laureate. Pic.
+||2008: 2008 TC3 (Catalina Sky Survey temporary designation 8TA9D69) was an 80-tonne (80-long-ton; 90-short-ton), 4.1-meter (13 ft) diameter asteroid[2] that entered Earth's atmosphere on October 7, 2008. It exploded at an estimated 37 kilometers (23 mi) above the Nubian Desert in Sudan. Some 600 meteorites, weighing a total of 10.5 kilograms (23.1 lb), were recovered; many of these belonged to a rare type known as ureilites, which contain, among other minerals, nanodiamonds. It was the first time that an asteroid impact had been predicted before its entry into the atmosphere as a meteor. Pic. See Ureilite: suggesting that "the ureilite parent body was a Mercury- to Mars-sized planetary embryo."
 ||2009:  Asteroid Themis-24: the presence of water ice was confirmed on the surface of this asteroid using NASA’s Infrared Telescope Facility. The surface of the asteroid appears completely covered in ice. As this ice layer is sublimated, it may be getting replenished by a reservoir of ice under the surface. Pic.