Onko maapallo ikiliikkuja?


Original Title:

    Are Earth and Moon perpetual-motion machines?
    Onko maapallo ikiliikkuja
    Är jordklotet en evighetsmaskin?

    Keywords:

    pertusl-motion machine universe sun Ikiliikkuja Maailmankaikkeus Evighetsmaskin Universum

    Description:

      Are Earth and Moon perpetual-motion machines?
      Onko maapallo ikiliikkuja
      Är jordklotet en evighetsmaskin?

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