Rainbow appears at night in England

According to the British “Daily Mail” reported that at 19:00 on the 8th or so, the United Kingdom outside the city of Richmond, North Yorkshire, the sky appears in a rare night rainbow. British photographer Chris - Walker timely and camera to capture this magical and beautiful picture.

In the photo, a colorful arc of light outside the band and the Richmond City-efficient mutual silhouetted against the night, like a long rainbow colored arch bridge connecting the two ends of the earth, beautiful and spectacular sight. This is a rare round of the night sky from the moon and the rainbow is caused by water vapor “Moon Rainbow.”

Under normal circumstances, the Rainbow is a sun and in the air caused by water droplets. When the sun shines on the raindrops in the air, the light will be refracted and reflected, so in the sky to form the colorful spectrum of arch. At 19:00 on the 8th, the sun has long been downhill. However, the night sky, the moon can also form a rainbow. Moon radiation into the air in droplets, light is refracted and reflected, so he formed the so-called “Moon Rainbow.” Rainbow Rainbow with Japan on the formation of principles of exactly the same.

Rainbow usually appears on the other side of the moon, the sky, but mostly at the full moon when the moon is also visible. Due to the necessary conditions for the formation of large rainbow, the rainbow on rainbow is relatively rare compared to Japan. First of all, the location of the moon in the sky less than 42-degree angle; Secondly, the night sky background should be very dark; third condition is that the other side of the moon appears to have rain. The rainbow also appears easily near the waterfall.

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