Sunday 22 November 2009

The International Year of Astronomy (IYA2009)

The International Year of Astronomy (IYA2009) is a year-long celebration of astronomy, taking 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.



Friday 13 November 2009