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1959: Vanguard 2 (NASA)

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Uploaded by on Apr 23, 2008

Vanguard 2 was an Earth-orbiting satellite launched on 17 February 1959 by the Vanguard SLV 4 launch vehicle as part of Project Vanguard.

The satellite was designed to measure cloud-cover distribution over the daylight portion of its orbit. The spacecraft was a magnesium sphere 20 in (50.8 cm) in diameter. It contained two optical telescopes with two photocells.

Creative Commons licence: Video derives from the Universal International News archive which has been placed in the public domain.

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  • . . thanks for upload . .good quality

  • good upload

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