President of the U.S.S.R. Academy of Sciences Mstislav Keldysh speaking at a meeting dedicated to the 500th birth anniversary of Nicolaus Copernicus.
- Categories: Science & Technology
- Location: Moscow, Russia
- Event date:
- Date published:
- Author: Юрий Иванов
- Credit: Sputnik
- Source: Sputnik
- Original: Ж74-3992, 35 mm film
- Media: JPEG, 2048x1683px, 829.6Kb