ICRANet has been Organizational Associate of the International Year of Astronomy 2009 and supported the global coordination of IYA2009 financially. In this occasion ICRANet organized a series of international meetings under the general title "The Sun, the Star, the Universe and General Relativity" including: the 1st Zeldovich meeting (Minsk, Belarus), the Sobral Meeting (Fortaleza, Brazil), the 1st Galileo - Xu Guangqi meeting (Shanghai, China), the 11th Italian-Korean Symposium on Relativistic Astrophysics (Seoul, South Korea) and the 5th Australasian Conference - Christchurch Meeting (Christchurch, New Zealand).