¿Listos para ver el eclipse lunar más largo del siglo este verano?

17 May, 2018, 09:28 | Author: Enrique Watson
  • Diagrama de un Eclipse Lunar visto desde la Tierra

El fenómeno del 27 de julio durará aun más que el último eclipse lunar de 2018 (también total), el cual tuvo lugar el 31 de enero y duró una hora con 16 minutos.

El eclipse lunar más duradero del siglo XXI ocurrió recién iniciada la actual centuria. La luna lucirá roja al reflejar los rayos del sol y con ello, se espera un hermoso espectáculo.

Aseguran que la proyección de la luna dentro de la sombra de la Tierra en esta ocasión dará lugar al eclipse más largo, con una duración de una hora y 43 minutos.

El fenómeno, sin embargo, no podrá ser apreciado en Norteamérica o en América del Sur, informó IFL Science, un portal especializado en temas científicos.

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Como sabemos, un eclipse lunar total se produce cuando la Luna pasa a través de la sombra de la Tierra -conocida como la umbra-, lo cual sucede cuando el Sol, la Tierra y la Luna están alineados. Es como un eclipse solar total, pero esta vez somos nosotros quienes eclipsamos al Sol, y somos mucho más grandes, por lo que toda la Luna está envuelta en sombras. El fenómeno será visible para los ciudadanos del Medio Oriente, África, India y Australia. Estos combinados nos dan un eclipse especialmente largo.

Para que haya un eclipse lunar, tanto nuestro planeta como la Luna y el Sol tienen que alinearse, de modo que el satélite natural de la Tierra se oscurece, pero ante nuestros ojos abandona su color claro habitual para adoptar uno rojo. Es similar a cuando aparecen amaneceres y atardeceres rojos en nuestro cielo.

Su prolongada duración se debe a que la Luna pasa justo en medio de la umbra, por lo que al estar en esta posición tarda más en salir de la sombra terrestre.


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