2009 in science

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The year 2009 involved numerous significant scientific events and discoveries, some of which are listed below. 2009 was designated the International Year of Astronomy by the United Nations.^[1]

^ "2009 to be International Year of Astronomy, UN declares". CBC News. December 21, 2007. Archived from the original on 24 February 2008. Retrieved 9 July 2010.

[1] "2009 to be International Year of Astronomy, UN declares". CBC News. December 21, 2007. Archived from the original on 24 February 2008. Retrieved 9 July 2010.

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