The activities of the celebration of the day and the opening of the temporary exhibition (in astronomy swimming) in cooperation with the National Research Institute for Astronomical and Geophysical in Helwan opened the exhibition a / Amal Siddiq on behalf of the President of the sector and Dr. / Mamdouh Othman Director-General of the museum and Prof. Dr. Gad El-Qadi President of the National Astronomical Research The celebration of the astronomical institute and a group of university professors.