Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting

Kako se mere rastojanja do zvezda?

 

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Komentari

  • muhamed muminovic said More
    Uvijek ste dobrodosli. 2 dana ranije
  • Boris Saksida said More
    Hm....ove godine nisam uspeo,...možda... 2 dana ranije
  • Julijana said More
    Hvala. 3 dana ranije
  • polux11 said More
    "Ovakvo podešavanje doprinosi boljem... 5 dana ranije
  • Mladen said More
    BRAVO ! Pre 1 nedelje

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