During October 17-26, 2009 Iran host the 3rd International Olympiad of Astronomy and Astrophysics (IOAA). Twenty countries participated in the competition which include Belarus, Indonesia, Poland, Bangladesh, Greece, Brazil, Lithuania, Thailand, Sri Lanka, Korea, India, Cambodia, Slovakia, Bolivia, Serbia, Romania, Kazakhstan, China, Ukraine, Iran.
On the night of October 24 StarPeace Iran team organized a star party for the participants. They observed Jupiter, Moon and some other deep sky objects and write peace messages for StarPeace as a memory form around the world. We will publish that Memory Sheet on Multimedia page.
IOAA organizes a yearly competition on astronomy and astrophysics for high school students. The purpose of IOAA is to promote interests and educations on astronomy and astrophysics of high school students.