"astonishing phenomenon" — Collocation dictionary inglés

Automatic translation (We do not guarantee its correctness): zadziwiając zjawisko
  1. astonishing adjetivo + phenomenon sustantivo
    Very loose collocation

    First of all it's a, it's a most astonishing theoretical phenomenon that this should happen, and in fact it took a whole half of century later before an explanation could be found as to what, what was happening.