[Yangyang Introduction] Tonight (January 31st), the vast and colorful super big screen in the sky will show a rare "Super Blue Blood Moon" spectacle. At that time, super moon , "blood moon" and "blue moon" will appear in groups. This natural wonder that lasts for several hours is a rare visual feast in 150 years. Don't miss it!
What is a Super Blue Blood Moon? Don’t panic, Yangyang will interpret this astronomical scene for you. (Sichuan Zhengdao Culture Comprehensive)
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Do you still remember the "Super Moon" that attracted everyone's attention on New Year's Day this year? That was the first full moon in January. Tonight (31st), from 7:48 to 11:12, the "Super Blue Blood Moon", that is, a blue moon, a blood moon and a super moon will make a rare appearance at the same time, performing a rare astronomical spectacle in 152 years. At that time, the moon, earth, and sun will be completely in a straight line, which is particularly rare.
What is a Super Blue Blood Moon?
"Super blue blood moon" (super blue blood moon), also known as the "super moon trilogy", is a rare astronomical spectacle, consisting of a super moon, a blue moon and a total lunar eclipse (blood moon). month) together. The chance of a "Super Blue Blood Moon" appearing is very small. The last time a "super blue blood moon" occurred was 152 years ago, in 1866. January 31st is also the first time in 152 years that the Blue Moon and the Blood Moon will meet again.
What is a super moon?
The so-called "super moon" is a full moon that appears at perigee. It is larger and brighter than the original moon. It occurs several times a year on average. When a supermoon occurs, it is 14% larger and 30% brighter than the moon at apogee.
The moon just passed perigee at 18:00 on January 30. When the total lunar eclipse occurred on the evening of January 31, the distance between the center of the moon and the earth was about 362,000 kilometers. Compared with the average center distance of the moon and the earth, which is 384,000 kilometers, it was about 20,000 kilometers closer. When the moon is closer to us, the moon we see is larger; when the moon is farther away from us, the moon we see is smaller. Therefore, the Moon on the night of the total lunar eclipse is about 10% larger than the average full moon.
What is Blue Moon?
The so-called "Blue moon" refers to the phenomenon of the second full moon within a month. It is not a real blue moon , or in other words, it is not a blue moon. It's just a name. The proverb "Once in a Blue Moon" means once in a lifetime. January 31 this year happens to be the second full moon in January. The appearance of a "blue moon" is a relatively rare celestial phenomenon.
what is red moon ?
The red moon, also known as the "blood moon", refers to a total lunar eclipse. It usually appears during a total lunar eclipse. When the moon, the earth, and the sun are completely in a straight line, the atmosphere on the earth's surface scatters and blocks the sunlight. When the sun's rays pass through our atmosphere, the atmosphere absorbs the green light and purple light, leaving only the red light that can penetrate. Once reflected back on the earth, the light reaching the moon's surface will appear red, similar to the situation when watching the sunset at dusk. The "blue moon" seen at this time will turn red, also known as the "red moon" or "blood moon" moon".
Blue moon, blood moon, and super moon are not uncommon, but the appearance of the "super blue blood moon" combination is 152html the first time in 2 years.
Across China, you can watch the super moon on the night of January 31st. According to the recommendations of Taiwan Nanying Planetarium , the process of the total lunar eclipse entering the Earth's umbral shadow occurred in the first half of the night and lasted from 19:48 to 23:12 Taiwan time. The whole process took nearly 3.5 hours. You only need to use the naked eye to watch the total lunar eclipse. You can see the changes throughout the process.
Therefore, tonight everyone must go out and quietly enjoy this once-in-a-lifetime astronomical wonder, a visual feast in the sky that is once in a century.
