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It is considered by astronomers as the longest total lunar eclipse of the 21st century observed everywhere in the world. the world. This exceptional phenomenon occurred between 9:30 pm and 11:13 pm.
Thanks to Léo Camus who posted on Facebook this photo taken at Pin Guillot, in Haut-Var :
Beautiful contrast in this photo between the blue of the sky and the appearance of the moon already red. A Niçois cliché
But why does the moon turn red?
It turns red, because of the phenomenon of refraction of light in the atmosphere.
This one absorbs most of the sun's rays, especially blue wavelengths.
Red Moon or Blood Moon
Only red wavelengths of solar rays pass through the barrier of our atmosphere
Instead of continuing straight, this red light is deflected towards the interior of the shadow cone, towards the Moon, which reflects it. This is why the lunar eclipse is also called: red moon or blood moon.
Next eclipse, solar this time, August 11, 2018, it will be a partial eclipse to admire in Europe or Asia.
For lovers of stars and stars, here is the agenda of these astronomical events, until 2022.
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