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Blood Moon – July 27
July 23 , 2018
2188 days
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- A total lunar eclipse will take place on the night of July 27, and the early hours of July 28.
- The lunar eclipse on July 27 is expected to be the longest blood moon witnessed in 100 years.
- The Earth’s satellite appears to be red in colour, during a total lunar eclipse when no sunlight falls on the surface of the Moon and it is completely under the Earth’s shadow.
- What happens is that sunlight from Earth’s surface falls on the surface of the Moon, but when it is seen on Earth, the Moon appears red.
- The reason: The Earth’s atmosphere will scatter light of the smaller wavelength like blue and green, but allow the red light, which is of longer wavelength, to pass through to the satellite’s surface.
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