Template:Selected anniversaries/December 12: Difference between revisions

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||1871: Spectroscopic observations of an eclipse in India made by French astronomer Jules Janssen led him to propose that the corona, normally only visible during a solar eclipse, is a physical part of the Sun and is composed of both hot gases and cooler particles.*TIS  
||1871: Spectroscopic observations of an eclipse in India made by French astronomer Jules Janssen led him to propose that the corona, normally only visible during a solar eclipse, is a physical part of the Sun and is composed of both hot gases and cooler particles.*TIS  
||1887: Guido Ascoli born ... mathematician, known for his contributions to the theory of partial differential equations, and for his works on the teaching of mathematics in secondary high schools. Pic.


||1888: Theodore Willard Case born ... chemist, physicist, and inventor known for the invention of the Movietone sound-on-film sound film system. Pic.
||1888: Theodore Willard Case born ... chemist, physicist, and inventor known for the invention of the Movietone sound-on-film sound film system. Pic.

Revision as of 14:22, 10 January 2019