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librators

  1. plural of librator
    • 2015, Valerio Carruba, Safwan Aljbaae, Othon C. Winter, “On the Erigone family and the   secular resonance”, in arXiv[1]:
      Finally, the minimum time needed to reach a steady-state population of   librators is about 90 My, which allows to impose another, independent constraint on the group age..

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