Faculty of sciences, represented by the students' activities, made a trip to the planetarium in department of physics, Mohammad bin Saud University in Riyadh. Twenty students went on a trip in the accompany of Dr. Ibrahim Alshaarani, Supervisor of students activities in the faculty Mr. Abdulaziz Alqashami. They arrived at 9 o'clock in the morning, and they were received by Mr. Zaid Aloreini, coordinator of public relations in the university. Then, the coordinator accompanied them to the planetarium and enjoyed the beautiful presentation of the planetarium. Afterwards, they visited the university library and made a tour in the faculty departments with all explanation about everything. They had lunch in Riyadh. They arrived back at 4:30 in the afternoon.