The International Year of Astronomy 2009 welcomes the 100th participating country

17 January 2008

The organisers of the International Year of Astronomy 2009 (IYA2009), the International Astronomical Union and UNESCO, welcomed this week the 100th participating state to the growing ranks of participating states and organisations for this worldwide astronomy project. This milestone is reached only four weeks after the official Proclamation of IYA2009 by the United Nations.

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