JEDDAH: Five Saudi students are competing in the 19th International Olympiad on Astronomy and Astrophysics in Hanoi, Vietnam. The competition runs from Sept. 25 to Oct. 5 and features participants from more than 60 countries. The Saudi team comprises Fatimah Nazih Damlakhan and Eileen Hani Azhari from Jeddah, Hisham Ayman Rafiq from the Eastern Province, and Omar Khalid Al-Shehri and Maram Abdulaziz Al-Barrak from Riyadh. Beforehand, they completed an intensive training program organized by the