First man-made satellite was launched on October 4, 1957.
- Categories: Science & Technology
- Location: Moscow, Russia
- Event date: 15.02.2007
- Date published: 15.02.2007
- Author: Sergey Pyatakov
- Source: Sputnik
- Credit: Sputnik
- Original: Digital
- Media: JPEG, 4151x2817px, 3.4Mb