Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym OSO-2 is...

OSO-2 is

  • Orbiting Solar Observatory 2

OSO-2 is also in:

Acronym Definition Searched: TBN 40931 WGD JHP BGD JVB ACWR SLD CEC S FTU BCS HOPE 29041 TU