Watch the "blood moon" total lunar eclipse this Friday!

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Watch the "blood moon" total lunar eclipse this Friday!

Brad Tucker, researcher at Australian National University's Research School of Astronomy and Astrophysics, explained why we don't get a lunar eclipse every lunar cycle. But if you live in South America, eastern Africa, the Middle East and central Asia, you're in luck.

'There are different types of lunar eclipse but a total eclipse is the most spectacular and is the only type that causes the moon to appear red'.

Friday, July 27 around the world will experience the longest total lunar Eclipse in a hundred years.

The only light reflected from the lunar surface has been refracted by Earth's atmosphere.

Mostly a lunar eclipse occurs twice or thrice a year, but this one will be rare owing to its long duration and visibility from globally. Sunlight passing through Earth's atmosphere will light the moon in a dramatic fashion, turning it red.

The society says the moon will rise at 8.49pm in London and at 9.22pm in Edinburgh, ending around 12.28am - and all you'll need to see it is a pair of binoculars. It should be visible in Indian cities like Delhi, Pune, Mumbai, etc, but the weather forecast will end up playing a role in this.

The next lunar eclipse that will be visible in North America will be next winter: January 21, 2019.

On Saturday morning, the moon will be at apogee - the furthest point in its orbit from the Earth. It will take nearly two hours before the moon returns to normal. It lasted for a good 3-4hrs before going into a full lunar eclipse, giving us a plethora of splendid pictures to mark the occasion. That's how it gets the dramatic-sounding "blood moon" nickname.

Later its partial phase will start at 03:19am, and the penumbral eclipse will end by 4:29am. The sun, Earth and moon will line up and our planet will cast a reddish shadow onto our lunar buddy. During the eclipse, the moon will pass through Earth's darkest shadow and take on a red sheen, with the phenomenon being described as the "blood moon".

Finally, contrary to solar eclipses, lunar eclipses can be viewed without any eye protection.

This month, Mars will be at its closest to Earth since 2003.

A large portion of Australia will be treated to the longest total lunar eclipse in recent history.

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