The longest lunar eclipse of the 21st century will take place in July 2018

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The lunar eclipse the longest of the 21st century will be observed next Friday July 27th and will have a total phase of one hour with 42 minutes and 57 seconds. This was announced by the portal Earthsky. This will be the second total lunar eclipse of the year after the one that took place on January 31, 2018 and lasted one hour with 16 minutes.

According to the site, the shortest lunar eclipse of the century occurred on April 4, 2015 and lasted only four minutes with 48 seconds.

Lunar eclipses are astronomical phenomena that occur when the Earth interposes between the Sun and the Moon, creating a shadow that obscures the Moon.

Normally, the time that elapses between a partial eclipse and a total eclipse is one hour and six minutes. On July 27, 2018, the natural satellite will take from beginning to end nearly four hours to complete this tour. This was confirmed Bruce McClure writer and animator of public programs of astronomy in New York.

During the eclipse, the moon will become reddish. This phenomenon is known as the "blood moon" and occurs because the moon reflects the red light of the Sun refracted by the Earth's atmosphere, which only filters blue components.

The natural phenomenon of this coming July 27 will be visible mainly in Europe, Africa, Asia, Australia and New Zealand. South America will be able to see the last stages of the blood moon just after sunset on July 27th while North America will completely miss this astronomical event.

Earth, the Sun and the moon will be aligned during the eclipse that will occur during the phase of prenilunio . In the same night (July 27), Mars will be lined up, standing in front of the sun in the sky.

The partial eclipse will begin at 12:24 pm (local time) in the afternoon and will end at 3:19 pm

Video: YouTube, account: NASA Goddard

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