Sputnik 1. Artwork of Sputnik 1,the world's first artificial satellite. The Sun and the Earth are reflected on the satellite's surface. Sputnik 1 was launched on October 4th,1957 by the former Soviet Union. The name Sputnik is Russian for 'travel companion' or satellite. The body was a highly polished aluminium alloy sphere which measured 58 centimetres in diameter and weighed 83.5 kilograms. It also had four long antennas attached. Sputnik 1 transmitted radio signals back to earth for a period of 21 days. The success of Sputnik 1 prompted the US government to enter the Space Race with the launch of Explorer-1 four months later | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Van Ravenswaay, Detlev |
Bildgröße: | 4134 px × 4164 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |