Valentin Lebedev (right), a Pilot-Cosmonaut of USSR, the flight engineer of the "Soyuz-13" space vehicle; Academician Viktor Ambartsumyan (center), director of the Byurakan Astrophysical Observatory; and Professor Grigor Gurzadyan discussing problems of space and ground-based astronomy.
- Categories: Science & Technology
- Location: Burakan, Armenia
- Event date: 01.10.1974
- Date published: 11.07.2010
- Author: Shjerbakov
- Credit: Sputnik
- Source: Sputnik
- Original: A74-12758, 6x6 film
- Media: JPEG, 4702x4342px, 4.1Mb