The Pulkovo Observatory of the USSR Academy of Science (now: the Pulkovo Astronomical Observatory of the Russian Academy of Science). Soviet astronomer, Head of the Observatory Time Service, Leningrad State University's lecturer Nikolai Pavlov stands by a photoelectric instrument.
- Categories: Science & Technology, Environmental Issues
- Location: Russia
- Event date: 01.10.1957
- Date published: 18.09.2015
- Author: N. Karasev
- Credit: Sputnik
- Source: Sputnik
- Original: AF-720, 35 mm film
- Media: JPEG, 5425x3519px, 8.1Mb