Century’s Longest Eclipse – Blood Moon

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What is blood moon

Blood moon or the total lunar eclipse occurs in the phenomenon in which the moon travels through the Earths umbra and all the direct sun light obstructed by the earth. It fails to brighten moon surface. But some sunlight still reaches moon indirectly through the Earth’s atmosphere, bathing the moon in a reddish glow. When sunlight passes through the atmosphere’ violet spectrum colors are filtered out because of the Rayleigh scattering phenomena. Red wavelengths are least affected by this scattering phenomena so the light reaches the moon’s surface carries the reddish hue.

blood moon
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AP Photo/Ariel Schalit

Century’s longest eclipse – blood moon

The blood moon eclipse on July 27, 2018 Friday was the longest eclipse of this century. This longest complete lunar eclipse astounded sky gazers and astronauts all around the world. It is called blood moon because of the red color moon. Though the color may wary and might be the yellow, orange or brown moon visible, depends on the weather conditions.

The term blood moon is being used to describe the four total lunar eclipses that take place in a row. It also coincide the mars closest to Earth in a thrilling celestial spectacle and it will be visible near the moon in the night sky with the naked eye and unlike the solar eclipse you do not need the protective eye gear to see the rare display.

On 27 July 2018 moon was partly or fully in earth’s shadow from 1714 to 2328 GMT for about half the world with the longest duration of six hours and 14 minutes. NASA website stated that the mars appeared as a very bright star at the total lunar eclipse. To witness this rare sight southern hemisphere are the best places like Australia, Madagascar and Southern Africa. It is also visible in South America, South Asia and Europe.

2 COMMENTS

  1. What was that red umbrella over that star under the moon last night? I’m no astronomer, just looked up from my year and could see it with my naked eye. Did anyone else?

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