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Total lunar eclipse|A rare astronomical phenomenon visible to the naked eye

2021-05-27T13:02:52.846Z


"Super Blood Moon" is like a plot that only appeared in science fiction. Tonight (26th) everyone can see it as long as they look up. Tonight happens to be a "super full moon" with the moon closer to the earth,


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Written by: McCain

2021-05-26 13:57

The last update date: 2021-05-26 13:58

"Super Blood Moon" is like a plot that only appeared in science fiction. Tonight (26th) everyone can see it as long as they look up.

Tonight happens to be a "super full moon" with the moon closer to the earth, and it "colls" into a total lunar eclipse again, and a double astronomical phenomenon forms a "super blood moon."

The Observatory said that if you miss the opportunity tonight, you will have to wait 12 years to 2033 before you can meet the "Super Blood Moon" again.

A total lunar eclipse will only occur during the full moon around the 15th day of the lunar calendar. During a lunar eclipse, the moon is not completely black, but the blue wavelengths in the sunlight are scattered, so the moon will appear copper-red, forming a "blood moon."

On July 28, 2018, Mars had the closest Earth "Mars opposition" in 15 years and the longest total lunar eclipse in the past 18 years.

(Photo/Photo by Luo Guohui)

What exactly is a "Super Blood Moon"?

Dai Xiaofeng, the second-level assistant curator of the Hong Kong Space Museum, explained in an interview with "Hong Kong 01" earlier that the "super blood moon" is a rare astronomical phenomenon caused by the simultaneous occurrence of a super moon and a total lunar eclipse.

As the moon moves closer to the Earth during its revolution tonight, the moon will be larger and lighter than usual, forming the largest full moon in the year, called the "super full moon."

The moon will orbit closer to the earth as it revolves around the earth tonight

A total lunar eclipse will occur during the full moon around the fifteenth day of the lunar calendar. When the sun, the earth and the moon are in a line, the earth is facing away from the sun, causing the moon to enter completely without direct sunlight.

The blue wavelengths in the sunlight are scattered off the surface of the moon and it is copper-red

So does a total lunar eclipse mean that the moon disappears?

Why is it called "Blood Moon"?

Dai Xiaofeng pointed out that during a total lunar eclipse, because the earth’s atmosphere still has the function of refraction, it can gather sunlight on the surface of the moon, so the moon will not be completely dark.

When sunlight passes through the earth's atmosphere, the blue wavelength part of the sunlight will be scattered, and the remaining red wavelength part will pass through the atmosphere and be refracted to the surface of the moon, forming a copper-red "blood moon."

Although tonight is the largest full moon of the year, the diameter of the moon seen that night is about 14% larger than the smallest full moon of the year.

But he said frankly that it is difficult to observe whether the moon is big with the naked eye, and hopes that when you enjoy the moon, "don't expect (the moon) to blow a balloon and blow a big blow."

▼Deconstruction of the Space Museum "Super Blood Moon"▼

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The total lunar eclipse is only 15 minutes

The moon will rise at about 6:56 tonight, and the total lunar eclipse will occur at 7:11 and last for about 15 minutes.

The Hong Kong Space Museum recommends that everyone go to the east to the southeast to enjoy the moon. The Space Museum will broadcast the total lunar eclipse of the "Super Blood Moon" from 7 to 9 pm tonight, and will explain interesting knowledge about the Super Blood Moon in detail. , Interested readers can click to enter the link.

▼On July 27, 2018, Mars encounters a total lunar eclipse ▼

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Source: hk1

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