March 9, 2010

IYA2009 — International Year of Astronomy 2009

The International Year of Astronomy (IYA2009)

The Universe: Yours to Discover

a year-long celebration of astronomy, which took place in 2009 to coincide with the 400th anniversary of the first recorded astronomical observations with a telescope by Galileo Galilei and the publication of Johannes Kepler's Astronomia nova in the 17th century.

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