3 major reasons why the Super Blood Moon Eclipse on May 26 will be a very big deal

It’s almost time for another “Blood Moon” eclipse in North America—the first for over two years! “Blood Moon 2021,” a total lunar eclipse, will occur in the early hours of May 26, 2021 and be visible to some—but not all—of North America.

A total lunar eclipse, during which observers see a red Moon, can only occur at full Moon. The full Moon in May 2021 is called the “Flower Moon,” simply for the time of year it occurs in the northern hemisphere.

So why is the event being trailed as the “Super Flower Blood Moon 2021?”

Here are three things you need to know about 2021’s only total lunar eclipse.

1. It’s a ‘supermoon,’ the biggest and brightest full Moon of 2021

The “Super Flower Blood Moon 2021” is a “supermoon.”

It will be about 7% bigger than an average full Moon, but that’s not something you’re going to notice. What you will probably notice is that it will be about 15% brighter—the brightest, in fact, of 2021. That’s because it’s the closest full Moon to Earth of 2021.

Total lunar eclipse May 26 2021
Total lunar eclipse May 26 2021. Picture: Sky and Telescope via USNO

The entire world can enjoy this special sight of a “supermoon.” All you have to do is look to the east around dusk to see a fabulous full moonrise.

Find out exactly what time that will happen on the evening of Tuesday, May 25, 2021 where you using this Moon calculator. For North America the eclipse will come a few hours later in the early hours of Wednesday, May 26, 2021.

2. It’s a ‘Blood Moon,’ 2021’s only total lunar eclipse

From 11:11-11:25 UTC the full Moon will turn a reddish color. You can find out if you can see it from where you are using this eclipse map.

Lunar eclipse May 26 2021, Lunar eclipse May 26 2021 map, Lunar eclipse May 26 2021 visibility map, Lunar eclipse May 2021, Lunar eclipse May 26 2021 picture
Lunar eclipse on May 26 2021.

A total lunar eclipse occurs when a full Moon enters Earth’s shadow in space. Of course, Earth is always casting a shadow into outer space opposite the Sun. It extends to around 870,000 miles/1.4 million km.

The Moon’s orbital path around Earth is roughly 5% inclined to the path of the Sun through our sky, so it rarely causes an eclipse of the Sun. So too lunar eclipses.

What happens on May 26, 2021 will be the first of two lunar eclipses in 2021. The other will occur on November 19, 2021, but it will only be a partial lunar eclipse as 97% of the full Moon will enter Earth’s dark shadow and turn a reddish color. The science is the same for why sunsets are reddish.

3. You’ve got a 50% chance of seeing it from where you are in North America

The entire night-side of Earth will witness the full Moon turn a reddish color during a brief 15-minute totality on May 26, 2021, but in many parts of the U.S the Moon will set just as the eclipse gets going. In fact, it’s the Pacific Rim that will get the best view, as this map reveals.

lunar eclipse visibility in the US on May 26 2021, Blood red moon lunar eclipse visibility in the US on May 26 2021, Blood red moon lunar eclipse visibility in the US on May 26 2021 map
Blood red moon lunar eclipse visibility in the US on May 26 2021. Picture: JAMIE CARTER/MAP DATA FROM XAVIER JUBIER

The best locations to see the “Super Flower Blood Moon” will be Hawaii. Australia and New Zealand, who will see totality high in the sky later at night. To the east, the west coast of the U.S. get to see totality low in the southwestern sky just before the full Moon sets. To the west, the east coast of Asia will get to see totality low in the eastern sky just after the full Moon rises.

Wishing you clear skies and wide eyes. [Forbes]

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