Ankara Esenboğa Airport follows: Ankara Esenboğa Airport Ankara Esenboğa Airport (), is the international airport of Ankara, the capital city of Turkey. It has been operating since 1955. In 2017, the airport has served more than 15 million passengers in total, 13 million of which were domestic passengers. It ranked 4th in terms of total passenger traffic (after Ataturk Airport, Antalya Airport and Sabiha Gökçen Airport), 3rd in terms of domestic passenger traffic (after Ataturk Airport and Sabiha Gökçen Airport) among airports in Turkey. The airport is located northeast of Ankara, from the city center. The airport is connected with Kızılay (the city
Ankara University Observatory Ankara University Observatory The Ankara University Observatory (AUG) (), is a ground-based astronomical observatory operated by the Astronomy and Space Sciences Department at Ankara University's Faculty of Science. Established in 1959 by Dutch astronomer Egbert Adriaan Kreiken in Ahlatlıbel, Ankara. Currently, it consists of nine optical telescopes and a radio telescope, which is currently taken out of service. Old instruments are displayed in a museum at the observatory. Ankara University's Faculty of Science decided in 1954 to establish an observatory to begin with astronomical studies. Ahlatlıbel in Gölbaşı, Ankara was chosen as the ideal site, a location with dark skies