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Mexico, AFP .- The longest total solar eclipse of the 21st century will dye the Earth's red satellite Friday, while Mars, which will be almost at its closest point to the blue planet, will be " This is an unusual and interesting coincidence of phenomena, "said Pascal Descamps, astronomer at the Institute of Celestial Mechanics and Ephemeris Calculus (IMCCE) of the Paris Observatory [AFP] [AFP] 19659002] "The moon will have a reddish, slightly coppery tone, and Mars, nicknamed" the red planet, "will be very bright, with a slightly orange tone," he explains.
The astronomical spectacle can be seen at a glance, without any danger.But binoculars, lenses and telescopes will make it even more enjoyable.
The eclipse will be visible only partially or totally in the middle of the world : we can see it from Africa, from Europe, from Asia and from Australia [19659002] of the show will be the inhabitants of Africa, the Middle East and India.
For an eclipse of the Moon to take place, there must be an almost perfect alignment of the Sun, the Earth, and the Moon. When our planet is between the star and the moon, it casts its shadow on our natural satellite.
Moons of Mars
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The show will actually start at 18:24 GMT, when it will appear that the Moon has a somb bite
The moment the more captivating of the eclipse, that is to say when the Moon will be completely in the shadow cone projected by the Earth, will start at 19:30 GMT and will end at 21:13 GMT.
This phase "total" "It will last 1 hour and 43 minutes (103 minutes), which will make it the longest lunar eclipse of the 21st century.
– "Miniluna" –
"It is a replica of the eclipse of July 16, 2000, which lasted 1 hour and 46 minutes, becoming the longest lunar eclipse of the twentieth century [que terminó el 31 de diciembre del 2000] ", explains Pascal Descamps
It will be the second total solar eclipse of 2018, after that of January 31. On this occasion, it was a" supermoon ", because the satellite had the
On Friday, on the other hand, will be a "miniluna" because it will be almost at the farthest point of the Earth and it will give the sensation of being in the air. to have a smaller size Also for this, it will take more time to cross the cone of shadow.
Deprived of the rays of the Sun, the Moon will darken and become red. This color s & # 39; 39, explains that the Earth's atmosphere diverts the red rays of the sun into the shadow cone and that the moon can reflect them.
According to the conditions atmospheric and, above all, pollution, the moon you can acquire a very dark reddish gray, or dye a more intense red if there are no particles in the atmosphere.
The other protagonist of the night will be the planet Mars, which will be only 57.6 million kilometers from Earth (The minimum distance will be reached on July 31.)
There At fifteen, the appearance of its diameter is not so great. And we will have to wait until 2035 to see the red planet so close
At the naked eye, we will only see a bright spot, but with lenses or a telescope, it will be possible to observe it in detail.
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