I recently read a short article, very interesting intrigued me, spoke of a rainbow upside photographed in Cambridge, is a document I found that effect is not very rare (they were noticed in May 2007 in Milan three effects), this is only in certain climatic conditions.
this is the photo of the event in Cambridge
Some scholars say it is a phenomenon that occurs in very cold areas above the poles, I did not explain how it can be and especially in Milan in May?? This rainbow is called inverted arch circumzenitale is formed due to the refraction of sunlight by small ice crystals, the colors are much brighter than normal to the rainbow, ranging from red at the nearest horizon for the yellow and green up to the blue.
We can see very high in the sky (zenith circum = around the zenith, that is vertical to the horizon).
I am increasingly aware that we should be always with camera in hand, and especially with the nose, very often we are taken from our things that we miss the wonders of nature.
From this point on, I will try to raise his eyes more often, who knows what wonders await me.
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