Lecturer of Moscow Planetarium shows the orbit of the fourth satellite of the Sputnik series.
- Categories: Lifestyle & Leisure, Education, Science & Technology
- Location: Moscow, Russia
- Event date: 15.05.1960
- Date published: 05.10.2009
- Author: V. Buinovskiy
- Source: Sputnik
- Credit: Sputnik
- Original: 86808, 6x6 film
- Media: JPEG, 4317x3543px, 2.9Mb