What is a lunar eclipse, why is November’s full moon a partial eclipse, and when can you see it in the UK?

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What is a lunar eclipse, why is November’s full moon a partial eclipse, and when can you see it in the UK?

When the Earth passes between the sun and the moon, a lunar eclipse occurs, casting a shadow on the orb.

The longest partial lunar eclipse in centuries will be visible in the United Kingdom on Friday.

It’s the year’s second lunar eclipse, following the super blood moon on May 26th, but it wasn’t visible from the UK.

The next full moon, on November 19th, coincides with the phenomenon.

Nasa has estimated that it will be the longest partial eclipse in 580 years, with a duration of 3 hours and 28 minutes – here’s what you need to know.

A lunar eclipse occurs when the Earth passes between the sun and the moon, casting a shadow on the orb; it happens three times a year on average.

When the moon passes through the Earth’s shadow, its appearance changes, earning it the nickname “blood moon” in some circles.

It gets its name from the fact that it can appear red when it passes through the Earth’s umbral shadow, because the only light it gets is from the planet’s atmosphere.

Unlike solar eclipses, lunar eclipses can be seen with the naked eye.

The moon doesn’t get any brighter than a full moon because it is reflecting sunlight rather than producing it.

“To understand the differences between them, we first need to understand how Earth’s shadow works,” the Natural History Museum explains.

“Our planet casts two different shadows because it blocks the sun’s light.

One is the penumbra, which is a larger shadow that extends at an angle away from Earth.

“However, directly behind Earth is a darker and narrower shadow known as the umbra.”

There are three different types of lunar eclipses:

Although the eclipse on Friday is technically partial, it comes close to being total, with 97.4 percent of the moon’s diameter covered at its peak.

Next year, there will be two total lunar eclipses: one on May 16th, which will be visible from the UK, and another on November 8th, which will be missed by British astronomers.

Because the full moon rises at 8.57 a.m., it will.

News summary from Infosurhoy in the United Kingdom.

What is a lunar eclipse, why is it a partial eclipse in November 2021, and when can I see one in the UK?

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What is a lunar eclipse? Why November 2021 full moon is a partial eclipse and what time to see it in the UK

TOPSHOT - This composite image created on January 31, 2018 shows the moon during a lunar eclipse referred to as the "super blue blood moon" in Tokyo. - Skywatchers were hoping for a rare lunar eclipse that combines three unusual events -- a blue moon, a super moon and a total eclipse -- which was to make for a large crimson moon viewable in many corners of the globe. (Photo by Kazuhiro NOGI / AFP) (Photo by KAZUHIRO NOGI/AFP via Getty Images)Read More - Featured Image

What is a lunar eclipse? Why November 2021 full moon is a partial eclipse and what time to see it in the UK

TOPSHOT - This composite image created on January 31, 2018 shows the moon during a lunar eclipse referred to as the "super blue blood moon" in Tokyo. - Skywatchers were hoping for a rare lunar eclipse that combines three unusual events -- a blue moon, a super moon and a total eclipse -- which was to make for a large crimson moon viewable in many corners of the globe. (Photo by Kazuhiro NOGI / AFP) (Photo by KAZUHIRO NOGI/AFP via Getty Images)Read More - Featured Image

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