PHOTOS:The World Looks To The Sky As Rare Blood Moon Lunar Eclipse Comes Into View
The world is looking to the skies for what is expected to be the longest total lunar eclipse of the 21st century.
Cloud cover is affecting UK skygazers but remarkable live shots across the globe and from space are showing the moon fading from view.
From New Delhi to Cairo and Hong Kong to London, here are a selection of some of the best photos taken of the rare event
Here's everything you need to know about the phenomenon.
What is a lunar eclipse?
Also known as a blood moon,a lunar eclipse happens when the Earth passes between the Sun and the Moon, putting the Moon in the Earth's shadow.
They only ever happen when there is a full moon, but there is not a lunar eclipse on every full moon because of the different plane of the Moon's orbit around the Earth.
When the Moon passes between the Earth and the Sun, it will turn a deep red colour because of sunlight being scattered by the Earth's atmosphere. This effect is known as "Rayleigh scattering".
This will be the second lunar eclipse of 2018 - the last one occurred in January.
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