Template:Selected anniversaries/December 4: Difference between revisions

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File:Pioneer 10 construction.jpg|link=Pioneer 10 (nonfiction)|1973: The ''[[Pioneer 10 (nonfiction)|Pioneer 10]]'' space probe makes its closest approach to the planet Jupiter, at a range of about 132,252 kilometers (82,178 mi).
File:Pioneer 10 construction.jpg|link=Pioneer 10 (nonfiction)|1973: The ''[[Pioneer 10 (nonfiction)|Pioneer 10]]'' space probe makes its closest approach to the planet Jupiter, at a range of about 132,252 kilometers (82,178 mi).


||1978: Samuel Abraham Goudsmit dies ... physicist famous for jointly proposing the concept of electron spin with George Eugene Uhlenbeck in 1925.
||1978: Samuel Abraham Goudsmit dies ... physicist famous for jointly proposing the concept of electron spin with George Eugene Uhlenbeck in 1925. Pic.
 
||1988: Osman Achmatowicz dies ... chemist and academic. He devised a new method of degradation using hydrogenolysis of quaternary ammonium salts containing nitrogen in allyl position, in the presence of palladinized charcoal as catalyst. This method became crucial in studies on organic compounds and was subsequently modified by other research workers over rupture of carbon-oxygen bonds. Pic.


||1998: The Unity Module, the second module of the International Space Station, is launched.
||1998: The Unity Module, the second module of the International Space Station, is launched.

Revision as of 10:24, 15 April 2019