Prince Sultan Bin Salman Bin Abdul Aziz, President of the Saudi Commission for Tourism and Antiquities, participated in the XXIV Planetary Congress of the Association of Space Explorers (ASE), which concluded its works Wednesday in Moscow, Russia. The conference tackled a number of topics pertaining to space sciences and technologies and updates. Prince Sultan Bin Salman is the first Saudi astronaut and a founding member of ASE. The Association of Space Explorers is non-profit organization established in 1985 with a membership of 350 astronauts from 35 countries.