Template:Selected anniversaries/November 20: Difference between revisions
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File:Voyager spacecraft diagram.png|link=Voyager 1 (nonfiction)|1980: [[Voyager 1 (nonfiction)|Voyager 1]] flies by Saturn, completing its primary mission. | File:Voyager spacecraft diagram.png|link=Voyager 1 (nonfiction)|1980: [[Voyager 1 (nonfiction)|Voyager 1]] flies by Saturn, completing its primary mission. | ||
File:Geometrical frustration icosahedron.jpg|link=Geometrical frustration (nonfiction)|1981: Outbreak of [[Geometrical frustration (nonfiction)|Geometrical frustration]] | File:Geometrical frustration icosahedron.jpg|link=Geometrical frustration (nonfiction)|1981: Outbreak of [[Geometrical frustration (nonfiction)|Geometrical frustration]] releases previously unknown class of [[crimes against mathematical constants]], causing an outbreak of [[Scrimshaw abuse]]. | ||
||Charles Cameron Conley (d. 20 November 1984) was an American mathematician who worked on dynamical systems. | ||Charles Cameron Conley (d. 20 November 1984) was an American mathematician who worked on dynamical systems. | ||
Revision as of 21:04, 27 April 2018
1889: Astronomer and cosmologist Edwin Hubble. He will discover the fact that the Andromeda "nebula" is actually another island galaxy far outside of our own Milky Way.
1908: Mathematician Georgy Voronoy dies. He invented what are today called Voronoi diagrams or Voronoi tessellations.
1924: Mathematician Benoit Mandelbrot born.
1924: Captive supervillain Fugitive Rubies gathering strength for escape attempt, says Niles Cartouchian.
1934: Mathematician, physicist, and astronomer Willem de Sitter dies. He co-authored a paper with Albert Einstein in 1932 in which they discuss the implications of cosmological data for the curvature of the universe.
1980: Lake Peigneur drains into an underlying salt deposit. A misplaced Texaco oil probe had been drilled into the Diamond Crystal Salt Mine, causing water to flow down into the mine, eroding the edges of the hole.
1996: Theoretical physicist and crime-fighter Mohammad Abdus Salam translates electroweak unification theory into Gnomon algorithm functions, providing a library of techniques for detecting and preventing crimes against electroweak forces.
1980: Voyager 1 flies by Saturn, completing its primary mission.
1981: Outbreak of Geometrical frustration releases previously unknown class of crimes against mathematical constants, causing an outbreak of Scrimshaw abuse.