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WHY A BLUE MOON IS RED LIKE THE BLOOD?

Santa Cruz de Tenerife (Spain) / Sydney (Australia) / A Super Moon, the second full moon of the month, a total eclipse, and a coincidence that has not occurred since 1982: Today, January is says goodbye with a blue moon, although in reality it is reddish, visible in a large part of the planet, except Europe.

This coincidence of a Super Moon that is also the second full moon of the month with total eclipse is known as Blue Moon, although the colour isn’t related with its name.

During the phenomenon, the Moon does not disappear from sight, but acquires a reddish hue, which is why in social networks it is known as “Blood Moon“.

The Earth’s atmosphere, which extends about 80 kilometres beyond the Earth’s diameter, acts like a lens diverting sunlight, while effectively filtering its blue components, allowing only red light to pass through which will be reflected by the Moon, giving it a characteristic coppery glow.

Lunar eclipses occur when it passes through the shadow of the Earth, which does not happen every month because the orbit of the Moon is slightly inclined with respect to that of the Earth-Sun (ecliptic).

Unlike solar eclipses, lunar eclipses are visible from anywhere in the world, once the Moon is on the horizon at the time of the eclipse, has recalled the Institute of Astrophysics in the Canary Islands.

The next total Moon eclipse will be next July 27, according to NASA. (January 31, 2018, EFE/Practica Español)

News related in video (April 15, 2014):


Comprehension

Lee la noticia y responde las preguntas. (Read and answer the questions)

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Question 1
La noticia habla…
A
de un eclipse total de luna previsto para el 1 de febrero.
B
de un eclipse total de luna en enero.
C
de un eclipse total de luna previsto para este fin de semana.
Question 2
Este eclipse se puede ver perfectamente en todo el planeta.
A
No se sabe.
B
Es verdad.
C
Es mentira.
Question 3
Según el texto, se llama ‘luna azul’…
A
aunque en realidad se vea roja.
B
cuando hay luna llena.
C
porque es el verdadero color de la Luna.
Question 4
Según el texto, la luna se muestra ‘roja’…
A
porque la atmósfera de la Tierra ‘funciona’ como una lente que desvía y filtra la luz del Sol.
B
porque el Sol no la ilumina.
C
porque la propia Luna desvía la luz del Sol.
Question 5
En la noticia se dice que…
A
el año que viene habrá otro eclipse total de luna.
B
habrá otro eclipse total de luna en julio de este año.
C
no se sabe la fecha aproximada del próximo eclipse total de luna.
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