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A total lunar eclipse on Tuesday 8th Nov 22 - the Earth, sun, and moon will align, and create a Blood Moon eclipse

Nighttime skywatchers from East Asia to North America will be treated to the rare spectacle of a "Beaver blood moon" on Tuesday, weather permitting, as the Earth, moon and sun align to produce a total lunar eclipse for the last time until 2025.

A total lunar eclipse – sometimes called a Blood Moon – is set to peak Tuesday, Nov. 8 2022 at 5:17am ET (1017 UTC). It's the last one until 2025. This event is called Blood Moon 2022 because the Moon moves into the darkest part of the Earth's shadow. When the moon is completely covered, it will take on a red hue: blocking the reflection of all direct sunlight from the lunar orb and dimming the color of the moon to a reddish hue, hence the term "blood moon", as During this time Moon appears red.

Here are some of the captures from some previous eclipses.





Why Red 

The reddish appearance of the lunar surface - the moon does not entirely disappear from view - is caused by rays of sunlight around the outer edge of the eclipse shadow, or umbra, being filtered and refracted as it passes through Earth's atmosphere, bathing the moon indirectly in a dim copper glow. The degree of redness depends on atmospheric conditions that vary with levels of air pollution, dust storms, wildfire smoke and even volcanic ash. 

How rare 

Total lunar eclipses occur, on average, about once every year and a half, according to NASA. But the interval varies. Tuesday's event will mark the second blood moon this year, following one in mid-May. The next one is not expected until March 14, 2025. 

Where it’s visible 

Tuesday's eclipse will be visible across eastern Asia, Australia, the Pacific and North America. Skywatchers in Asia and Australia will see it with their evening moonrise, while the spectacle will play out for observers in North America in the early morning hours before the moon sets. It will be visible to the naked eye wherever skies are clear in those regions. 

How long it lasts 

The entire eclipse will unfold over a period of nearly six hours as the moon gradually edges into the Earth's paler, outer shadow, its "penumbra," then enters the Earth's darker, inner shadow, or "umbra," before reaching totality and eventually emerging from the other side. On the West Coast of the United States, the whole display will run from 12:01 a.m. PST until just before 6 a.m., with the total eclipse phase lasting about 90 minutes, peaking at 3 a.m.

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