1845 in science
From Wikipedia, the free encyclopedia.

The year 1845 CE in science and technology included many events, some of which are listed here.

See also: 1844 in science, other events of 1845, 1846 in science and the list of years in science.

Astronomy

• April – William Parsons, third Earl of Rosse, discovers that the nebula M51 has a spiral structure

Physics

• September 13 – Michael Faraday discovers that an intense magnetic field can rotate the plane of polarized light

Awards

• Copley Medal: Theodor Schwann
• Wollaston Medal for Geology: John Phillips

Births

• September 11 - Emile Baudot, telegraph engineer († 1903)

Deaths

• March 13 - John Frederic Daniell, chemist and physicist (born 1790)
• October 18 - Dominique, comte de Cassini, French astronomer (born 1748)

The original article can be found at: http://en.wikipedia.org/wiki/1845_in_science.
All text is available under the terms of the GNU Free Documentation License.