The inhabitants of the earth will see the night “Blue Moon” – RIA Novosti

MOSCOW, July 31 – RIA Novosti. The inhabitants of the Earth on the night of August 1, will be able to observe a unique astronomical phenomenon – “Blue Moon”, the website of NASA.

The very concept of ” blue moon “does not change the color of earth satellite. It is derived from the English idiomatic expression “once in a blue moon”, which means “very seldom, almost never”.

The full moon in the sky appears once a month, but in July of this phenomenon will occur in the second times. The first full moon of the Earth’s inhabitants could watch on July 2 and the second will take place on the night from July 31 to August 1.

Moon really blue hue can be seen very rarely necessary conditions for this – clouding the atmosphere with ash, dust or smoke, such as a volcanic eruption or a severe forest fire.

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