When the full moon phenomenon occurs, what changes will the moon's attraction change? I wonder if you have heard of the legendary Blood Moon. Regarding the Blood Moon, both at home and abroad, it indicates an ominous sign.

Take China as an example. There are records in history: a Feng Shui master named Li Chunfeng once wrote a book about astronomy. The book mentions the phenomenon of the moon turning red, and says that the appearance of the blood moon indicates that the world will be in chaos. There are indeed some records in history that one night in 1644, the moon in the sky was quietly turning red. By the next day, Li Zicheng's siege occurred. At the same time that day, Emperor Chongzhen was hanged on a crooked tree, and our Ming Dynasty was destroyed.

So what about abroad? There are also many horrifying legends about Blood Moon, which is written in the Bible Revelation that the Blood Moon indicates the end of this century. If the Blood Moon appears, the seven seals will be untied and seven evil demons will be released, and then the end of the world will come. In addition, people usually regard the blood moon as an ominous sign. So there are still many film and television works and game works that use ominousness to explain the Blood Moon.
So is Blood Moon really as scary as we think? Will its appearance really bring bad things? About two years ago, something even more terrifying than the Blood Moon happened, that is, the Super Blue Blood Moon Time. It was on January 31, 2018, so why call it Super Blue Blood Moon? In fact, we can separate this term and divide it into three parts: super moon, blue moon, and blood moon. As the name suggests, the super moon is a super big moon, just like the earth is surrounding the sun, and the moon is surrounding the earth. The orbit around the earth is perigee and apogee. When the moon reaches perigee, the full moon appears. When we see the sun on Earth, we will be much larger than usual. Generally, the full moon in perigee is about 14% larger than the full moon in apogee. In terms of the brightness of the moon, it will be 30% brighter than the moon in a distance, so the moon at this time is called a super moon.
What does Blue Moon mean? From the meaning inside, it is a blue moon, but it is actually called a blue moon and has nothing to do with color. So how did the word Blue Moon come from? In fact, it is because of the "blue moon" in the West. This "blue moon" means: the second full moon in a month. As we all know, it takes about 29.5 days for the moon to orbit the earth. This means that we may see a full moon every 29.5 days. If we divide it according to the 12-month cycle of the earth, sometimes there will be 31 days per month. In other words, if a full moon appears on the 1st of a certain month, it is very likely that we can see the full moon on the last day of this month. And this phenomenon is called "blue moon", which is the blue moon.

Then, as for the full moon in January 2018, the moon happened to appear on January 1st, and the full moon happened to appear on the fifteenth day of the lunar calendar. Then on January 31, the full moon happened to appear again on the fifteenth day of the lunar calendar, and this time it was the full moon and the blue moon. It just so happened that February was only 28 days, so the third full moon was on March 2 and the fourth full moon was also on the same month. On March 31, this full moon was the blue moon again.
, which is a rare case of continuous blue moons. Generally, this phenomenon occurs only if there is no full moon in February. As mentioned earlier, the blue moon actually has nothing to do with color. It is said that it is the blue moon, but the moon has turned blue. So has the moon turned blue?
is there. Forests that have just experienced fires, or volcanoes that have just erupted, have a high chance of a blue moon. And it has appeared before, why is this? Because the moon is reflected sunlight, its red light wavelength is about 0.7 microns, and in places where volcanoes erupt or fires burn, there will be many particles with a diameter of 1 micron in the atmosphere. These particles can just scatter the red light, so the moon we see will turn blue at this time.

After explaining the Blue Moon, let’s talk about what the Blood Moon is like? Speaking of Blood Moon, everyone will find it mysterious. But in fact, the blood moon is a total lunar eclipse.I believe that many people have seen a total lunar eclipse, but when the earth, the moon and the sun become a line, the moon will be completely blocked by the earth, and this phenomenon is also called a total lunar eclipse. Therefore, only on the full moon day is the possibility of a total lunar eclipse.

We know that the earth's orbital orbit is called the ecliptic plane, while the moon's orbital orbital is called the white orbital plane, and there is an angle of 5.14 degrees between these two orbits. Because of this angle, not every full moon will have a total lunar eclipse. Only at the intersection of the ecliptic surface and the white surface can a total lunar eclipse occur. So how can we understand the meaning of their intersection more directly? We can compare the sky above our heads to a sphere. During the day, the height of the sun at this sphere changes according to the changes in the season. In summer, the sun is high, and in winter, the sun will be low. At night, if that day happens to be a full moon, the height of the moon on this sphere will also change every month. As for the intersection of the ecliptic surface and the white surface, it means that the process of intersecting the height of the sun and the height of the moon. This situation usually only occurs twice a year, and one month before and after their intersection occurs, it is called the foetal season. This also means that during the eclipse season, a lunar eclipse occurs every night on the fifteenth, and a solar eclipse occurs every day on the first day of the New Year, because the sun is much larger than the earth. So the sun's light and the shadow of the earth are like a concentric circle. The outer circle of this concentric circle is called the penumbra area. When a lunar eclipse occurs, if the moon just passes through the penumbra area, then this lunar eclipse is called penumbra lunar eclipse . Because the lunar eclipse we see is not exactly a lunar eclipse, the moon just becomes a little darker, and we can still see its shadow, so people usually don’t know that it is just a lunar eclipse phenomenon. If part of the moon is in the outer circle and part of the inner circle, this phenomenon is called partial lunar eclipse, and it is easily noticed. Then when the entire moon passes through the umbrella area, this phenomenon is called a total lunar eclipse, but when the moon completely enters the umbrella area of the earth, it actually does not turn black, but turns red. Although the moon did not have direct sunlight at this time, there would still be some astigmatism, which involved a Rayleigh scattering principle.

What is the Rayleigh scattering principle? It means that when light passes through substances, especially gases, some particles in the gas that are smaller than the wavelength will scatter the light. Moreover, the shorter the wavelength of light, the more severe it is scattered, and the wavelength of blue light in sunlight is the shortest. Therefore, when sunlight passes through the atmosphere, blue light is the light with the most Rayleigh scattering principle, so the "blue sky" we see comes from. We also see sunrise and sunset. At this time, the sun needs to penetrate through more atmosphere due to angles to shine light on the ground. At this time, the blue light in the sunlight is completely scattered, so the sunrise and sunset we see are both red.

Back to the total lunar eclipse mentioned earlier, the blue light in the sun is completely scattered by the atmosphere, so only the red light can directly hit the moon, so it becomes the blood moon we see. At this point, we can fully explain the Super Blue Blood Moon. It is actually just a total lunar eclipse that occurred in a perigee, and this full moon happened to be the second full moon of this month. So, after we know the true principle of the Blood Moon, we can try to analyze some legends about the Blood Moon. For example, the aforementioned incident of the demise of the Ming Dynasty is said to be the result of Li Zicheng leading troops to capture the city of Beijing in 1644, and then the emperor Chongzhen of the dynasty committed suicide the next night. So did the blood moon appear on the night of April 24? By querying the list of lunar eclipses in the 17th century, we found that April 1644 was not the eclipse season, which means that by looking for the perpetual calendar, we found that the moon during that period was not round and it was impossible for a blood moon to appear. So how is this incident related to Blood Moon? I think it is most likely that it was fabricated and processed later by people.In addition, the earliest record of lunar eclipse was in 2283 BC, a place called Mesopotamia. In the ancient Han Dynasty in my country, Zhang Heng discovered the principle of lunar eclipse, and he pointed out that it was the shadow of the earth that caused the emergence of lunar eclipse. The facts prove that's the case, which means that in ancient my country, some people already knew the principle of road lunar eclipse. This means that they can create some rumors about Blood Moon to achieve some goals. Therefore, it is not that when a blood moon appears, something big happens, but that people deliberately choose to create big things in the blood moon. Speaking of the outrageous legend about the Blood Moon, I personally prefer to believe that the full moon has an impact on humans. Although no scientist has proved that the full moon really has an impact on humans. But there are many interesting things about this rumor, and I think I know to share it with you.
The first one is related to English. The word "mental disorder" in English is called "lunacy", and the "luna" in it is the root, which in Latin means the moon. This shows that in the eyes of ancient people, the moon could influence people's spirit. The second interesting thing is that the British police conducted data comparisons and found that the crime rate was often higher than usual at the full moon. So some people suggest that whenever the moon is full, we should strengthen the police force. Another one was in 2017. There was a project that specifically studied more than 13,000 motorcycle accidents. They found that there were obviously many motorcycle accidents during the full moon. There are also psychiatric experts who have also found that the chance of psychiatric patients developing a disease will be greatly increased during the full moon. Some people have also done research on human diet and found that during the full moon period, people's appetite will increase by about 8%, while alcohol volume will decrease by 26%. There is even a study from Tanzania . There are more local lion groups attacking people at the full moon than usual. There are many similar studies, but these studies only use data to show that the full moon will have an impact on people and they have not found the cause of these events.

Why does the full moon cause these phenomena to occur? , As of now, most people attribute it to tide theory. Why tide theory? I began by saying that the tidal movements on the earth are caused by the attraction of the moon. We know that 70% of the human body is also water. So is it possible that the water in our human body will also be affected by tidal forces? It seems that there is a little reason, but in fact, once we calculate it, we will find that the gravity of the moon is very small for the human body, so this statement does not hold true. So is it possible that it is because of the light? Because at the full moon, the night sky is much brighter than usual, so there will definitely be a lot more people going out. Because I can see it a little more clearly and I am not so afraid, the chances of people going out will naturally be much higher if they have more accidents. Of course, these are just speculations and no scientists have proved them. Moreover, the full moon is a very good meaning for China, with the meaning of perfection and reunion. So without obtaining any authoritative recognition, we can only make guesses.