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Science on the 30th of November 1990 in history

Science

Date	Type	Text
30 Nov 1990 Asteroid 6859 Datemasamune	science	Asteroid 6859 Datemasamune (astronomy and space ) Asteroid 6859 Datemasamune is discovered by Masahiro Koishikawa.	0
30 Nov 1990 11514 Tsunenaga	science	11514 Tsunenaga (astronomy and space ) 11514 Tsunenaga is discovered.	0
30 Nov 1990 lunar eclipses	science	lunar eclipses (astronomy and space ) There are four lunar eclipses: three penumbral on January 30, July 26, and June 27, and one minor partial lunar eclipse on December 21.	0
30 Nov 1990 solar eclipses	science	solar eclipses (astronomy and space ) There are two solar eclipses, one annular eclipse on January 15, and a very long total eclipse on July 11, lasting 6 minutes and 53 seconds.	0
30 Nov 1990 Finland	science	Finland (atomic physics) Finland and Poland join CERN.	0
30 Nov 1990 Carbon nanotubes	science	Carbon nanotubes (chemistry) Carbon nanotubes discovered in the insoluble material of arc-burned graphite rods by Sumio Iijima of NEC.	0
30 Nov 1990 Pei-Yuan Wei	science	Pei-Yuan Wei (computer science) Pei-Yuan Wei releases the Web browser ViolaWWW 0.8.	0
30 Nov 1990 Alvarez hypothesis	science	Alvarez hypothesis (geophysics) Alan Hildebrand and others provide support for the Alvarez hypothesis for the Cretaceous–Paleogene extinction event by proposing the Chicxulub crater in the Yucatán Peninsula of Mexico as the impact site for a large asteroid 66 million years ago.	0
30 Nov 1990 Qiudong Wang	science	Qiudong Wang (mathematics) Qiudong Wang produces a global solution to the n-body problem.	0
30 Nov 1990 arXiv	science	arXiv (publications) The first open-access scientific online archive, arXiv, is begun as a preprint service for physicists, initiated by Paul Ginsparg.	0
30 Nov 1990 Turing Award	science	Turing Award (awards) Turing Award – Robin Milner	0

29th November 1990 1st December 1990

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