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Sputnik 1, First Artificial Satellite, 1957

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Title: Sputnik 1, First Artificial Satellite, 1957

Caption: The first artificial satellite, Sputnik 1, head-on. Sputnik was launched on 4th October 1957 by the former Soviet Union. The name Sputnik is Russian for 'travel companion' or satellite. The body was a highly polished aluminum alloy sphere which measured 58 centimeters in diameter and had four long antennas attached to it. Sputnik 1 was located in Earth orbit and transmitted radio signals back to Earth for a period of 23 days. Although the mission ended on 27th October 1957, it was not until 4th January 1958 that Sputnik returned to Earth. The success of Sputnik 1 prompted the US government to enter the Space Race with the launch of Explorer-1 four months later.

Category: History: Modern • Astronomy & Space

Credit: Album / Science Source / New York Public Library

Releases: ? Model Release: No - ? Property Release: No
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Image size: 3032 × 3841 px | 33.3 MB

Print size: 25.7 × 32.5 cm | 1193.7 × 1512.2 in (300 dpi)

Keywords: 1950S • 1957 • 20 20TH XX XXTH TWENTIETH CENTURY • 20 XX TWENTIETH CENTURY • 20TH CENTURY • 20TH • AEROSPACE • ANTENNA • ARTIFICIAL SATELLITE • ASTRONAUTICS • ASTRONOMY & SPACE • CELEBRITIES • CELEBRITY • EVENT • EVENTS • FAMOUS PEOPLE • FAMOUS • FIRST ARTIFICIAL SATELLITE • FIRST SATELLITE • FLIGHT • HISTORIC • HISTORICAL • HISTORY • HISTORY: MODERN • IMPORTANT • NOTABLE • RADIO TRANSMITTER • RUSSIAN • SATELLITE • SCIENCE • SOVIET • SPACE EXPLORATION • SPACE FLIGHT • SPACE PROGRAM • SPACE RACE • SPACE TRAVEL • SPACEFLIGHT • SPUTNIK 1 • SPUTNIK • TECHNOLOGICAL • TECHNOLOGY • TELECOMMUNICATIONS • TWENTIETH CENTURY • UNMANNED SPACE FLIGHT • WELL-KNOWN