White nights is typical for temperate and Northern latitudes before the start of the summer solstice and beyond.
Scientists from York University in Canada found an explanation for one of the varieties of the white nights, which occurs in low latitudes. During this phenomenon, the sky is light enough that people could read or distinguish distant objects. Press release published on the website Phys.org.
White nights is typical for temperate and Northern latitudes before the start of the summer solstice and beyond. All night consists of twilight. However, sometimes the phenomenon was observed much further South that still were a mystery to researchers.
Scientists, who studied the data from weather satellites, suggest that the cause of the phenomenon are atmospheric waves, which converge with each other in certain places. It strengthens the weak scattered light in the air shell of the Earth, as well as a greenish glow that is emitted by oxygen atoms that have absorbed solar energy. As a result of natural night illumination becomes about 10 times brighter than usual.
In April 2017, the meteorologists have registered another mysterious phenomenon that occurs due to powerful solar flares. The whole atmosphere formed clouds of ions that can cause disruptions in radio communications.
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