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With one hour and 42 minutes, the total lunar eclipse on July 27 will be the longest such phenomenon in the twenty-first century.
A lunar eclipse occurs when the Earth prevents sunlight from touching the natural satellite, that is to say that during the night, the full moon disappears as the shadow of the Earth covers it.
phenomenon does not occur every month, because the orbit of the moon is tilted relative to the Sun-Earth, details the Institute of Astrophysics of the Canary Islands (IAC).
Unlike solar eclipses, the lunar type they are visible from any part of the world, once the moon is above the horizon at the time of the eclipse.
However, this will be visible in its entirety from Africa, while Western Europe will only observe the second part of the phenomenon. The moon rises on the eastern horizon.
South America, Asia, and Australia will also have the chance to partly observe the astronomical phenomenon, says the National Aeronautics Administration and space (NASA).
During the event, people will notice that the moon does not disappear from view, while it acquires a reddish hue. The Earth's atmosphere, which extends 80 kilometers beyond the diameter of our planet, serves as a lens to divert sunlight.
At the same time, it filters its blue components and only lets in the red light that is reflected by the satellite. Thus, the moon takes a coppery glow
. During the event, people will notice that the moon does not disappear from sight , while it acquires a reddish tone. (ARCHIVER)
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