Harbin appearance Harbin appearance

The northeast net news of November 15, yesterday three o'clock p.m. is allowed , the discovery that a lot of citizens wonder has arisen on sky " two the suns ", when normal solar south side, still have a some dark "the sun"s in cloud radiance 4 shoots.
At three forty control, the "the

According to expert introduction, two this kind of solar scenes are a kind of dizzy special form of day actually , are called " unreal day", from the ice in cloud layer Jing refraction causes , it is a kind of atmospheric normal optical phenomenon , is common in south the North Pole, in Harbin city, appearance is more rare.


Unreal day is a kind of atmospheric optical phenomenon. The semitransparent thin cloud inside that appears on sky, have a lot of float when the columnar ice crystal of air hexagon, occasionally them meeting arranges sequentially neatly when air. When sunshine shoots on this root hexagon ice column, will occur very the refraction phenomenon of law. When this a lot of ices Jing nearby the morning sun or the setting sun, light shoots from a side of ice column to enter , and shoots from additionally two sides , has produced reflection and refraction , has produced many the suns , they are solar virtual images actually. Have had the record of " 5 days with brightness " it is most. Since float normally when air hexagon ice column is often anomalous to arrange sequentially , so, reflection does not make the wonderful view of many the suns, so unreal day this kind of atmospheric optical phenomenon is rare.