A lunar eclipse of exceptional duration will take place on July 27



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The Superlune, January 31, 2018 on the Golden Gate in San Francisco. – JUSTIN SULLIVAN / GETTY IMAGES NORTH AMERICA / AFP

The lunar eclipse of July 27, of exceptional duration, will be visible everywhere in Europe. This is an event not to be missed, as it will only happen once in this century.

On July 27, you will have to look up to heaven. As long as one is placed on a clear ground, an unusual show will take place in the sky: a lunar eclipse, visible for 103 minutes in Europe. It is the longest lunar eclipse of the 21st century. It will begin at 21:30 sharp and will end around midnight 20.

A spectacle observable with the naked eye

Unlike the solar eclipse, the lunar eclipse does not disappear the Moon. On the contrary, the alignment Sun, Earth, Moon (in this order) deprives the Moon of the Sun's light but the Earth's atmosphere will filter the "longer wavelength" rays (red). These will reach the Moon, explains on its website the French Association of Astronomy (AFA). Our satellite will therefore leave its gray tint for a copper color, around 22:20.

This show is visible to the naked eye in clear weather, although binoculars can allow more comfort to admire the view. The AFA website offers a map of 70 observation sites, to enjoy the show with a telescope, supervised by enthusiasts
of Astronomy

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