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'Blood moon' to appear for 21st century's longest lunar eclipse on Friday

  >>  Reuters

Published: 2018-07-26 20:00:38.0 BdST Updated: 2018-07-26 20:37:47.0 BdST

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A blood moon will appear in the night sky around much of the world on Friday night as the moon moves into the shadow of the earth for the longest lunar eclipse of the 21st Century.

The total eclipse will last 1 hour, 42 minutes and 57 seconds, though a partial eclipse precedes and follows, meaning the moon will spend a total of 3 hours and 54 minutes in the earth's umbral shadow, according to NASA.

The eclipse will be visible from Europe, Africa and the Middle East between sunset and midnight on July 27 and then between midnight and sunrise on July 28 in much of Asia and Australia.
 

The eclipse will start at 11:13pm on Friday and end at 5:30am on Saturday in Bangladesh time.

"It's called a blood moon because the light from the sun goes through the earth's atmosphere on its way to the moon and the earth's atmosphere turns it red in the same way that when the sun goes down it goes red," Andrew Fabian, professor of astronomy at the University of Cambridge.

When the moon moves into the conical shaped shadow of the earth, it goes from being illuminated by the sun to being dark. Some light, though, will still reach the moon because it is bent by the earth's atmosphere.