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B Clear definition of microgravity?

  1. Oct 29, 2016 #1
    Hi,

    I read about definition of microgravity. It is usually described as reduced g, but not zero g. How can one say then that an object is in microgravity? I was looking hours for a clear definition, like an object is in microgravity if there are just 10^-6g left (clearly wrong, because I read about the ISS has like 20 µg left, or is it just a wrong expression for ISS, because on ISS are too many µg's left?). I cant really imagine that microgravity is accurately defined. Was the term invented too early, so one couldnt detect how many g's are left and so they decided to define it just by "about no gravity"? If one found a definition, please give me the source...
    (And that prefix seems quite useless for my thread...)
     
  2. jcsd
  3. Oct 29, 2016 #2

    Dale

    Staff: Mentor

    I don't think that there is a clear definition like that. I don't think that it is such a sharp cut off, just a general description.
     
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