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Curcubeuri

20 September 2011

Aka circumhorizontal arc, technically speaking.

Acest curcubeu apare cand soarele este deasupra orizontului mai mult de 58° iar lumina trece prin nori cirrus. Acesti nori, facuti din cristale de gheata hexagonale, trebuie sa fie de forma unor discuri paralele cu pamantul pentru ca acest efect sa apara. Cand lumina soarelui strapunge vertical norii, cristalele indoaie lumina sub forma unui arc de curcubeu.

(sursa)

Sa-ti povestesc despre unghiuri? sopteste micul dracusor.

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2 Comments leave one →
  1. madelin permalink*
    20 September 2011 11:07

    Raluca, nu zice nimic de apa la curcubee.
    Petitiile astea online sunt frectie la picior de lemn atat vreme cat nu le urmareste cineva pana in panzele albe.

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