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Sputnik 1, First Artificial Satellite, 1957

The first artificial satellite, Sputnik 1, head-on. Sputnik 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 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 October 27th, 1957, it was not until January 4th, 1958 that Sputnik returned to Earth. The success of Sputnik 1 prompted the U.S. government to enter the Space Race with the launch of Explorer-1 four months later.
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Title:
Sputnik 1, First Artificial Satellite, 1957
Caption:
The first artificial satellite, Sputnik 1, head-on. Sputnik 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 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 October 27th, 1957, it was not until January 4th, 1958 that Sputnik returned to Earth. The success of Sputnik 1 prompted the U.S. government to enter the Space Race with the launch of Explorer-1 four months later.
Credit:
Album / Science Source / New York Public Library
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Image size:
2874 x 3942 px | 32.4 MB
Print size:
24.3 x 33.4 cm | 9.6 x 13.1 in (300 dpi)
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