Astronomy:S-56 (satellite)

From HandWiki

S-56 was an American satellite launched by NASA on 4 December 1960 as part of the Explorers program.[1] The satellite was composed of a 3.66 meter (12 foot) diameter inflatable sphere, and was intended to study the density of the upper atmosphere. S-56 was launched on a Scout X-1 rocket, but failed to reach orbit due to the second stage not igniting. It was replaced by the identical Explorer 9 (S 56A) spacecraft.[2]

Citations

  1. ↑ "S-56". Encyclopedia Astronautica. http://www.astronautix.com/craft/s56.htm. 
  2. ↑ "Explorer: AD". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/explorer_ad.htm. 




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