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Explorer 4 (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Explorer 4" in German language version.

Last modified:

Ref.Un. Ref.Website
Global rank German rank
11nasa.gov
12th place
141st place
11youtube.com
13th place
8th place

nasa.gov (Global: 12th place; German: 141st place)

nssdc.gsfc.nasa.gov

youtube.com (Global: 13th place; German: 8th place)

  • Herlihy, Ed (Narrator): Project Argus — “Greatest Experiment”: 3 A-Blasts In Space. Länge 29s, [video]. Hrsg.: Universal International News. (englisch, youtube.com [abgerufen am 9. September 2012]): “To monitor the radiation shell in outer space, the satellite Explorer 4 was launched. And all of this in a secrecy not broken for six months.”