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On This Date in History - February 23

by Nick Greene
for About.com

Daily Extra :

Astronomy & Space Word of The Day

silicate: A compound containing silicon and oxygen (e.g. olivine). A group of minerals constituting about 95% of the Earth's crust, and containing silicon and oxygen combined with one or more other elements.

Who Was Born Today?:

1928: Vasily Grigoryevich Lazarev, Siberia U.S.S.R., cosmonaut, Soyuz 12, 18A
1949: Marc Garneau, Quebec City Canada, PhD/astronaut, STS 13, 77
1953: Sallie L Baliunas, astrophysicist

Who Died Today?:

Today in History:

1987: Supernova 1987A in LMC 1st seen; 1st naked-eye supernova since 1604

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