Does the Sun go through 12 zodiac constellations? Detailed answer

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Does the Sun go through 12 zodiac constellations? Detailed answer

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Does the Sun go through 12 zodiac constellations?

True, but not only through them. The ecliptic (the path of the Sun) also passes through the constellation Ophiuchus, which is not among the zodiac. And the planets can deviate from the ecliptic up to 7 °, also entering the constellation Orion and some others.

Author: Mendeleev V.A.

Random interesting fact from the Great Encyclopedia:

What are lunar craters?

Craters are depressions on the surface of a cosmic body that have rounded outlines. The size of the craters is from 1 meter to 250 kilometers. Large and medium-sized craters on the Moon have been known since the first telescopic observations of this celestial body. They bear the names of famous scientists: Aristotle, Herodotus, Hipparchus, Copernicus, Kepler, etc.

Many large craters are surrounded by gently sloping ridges and have a flat bottom, in the middle of which a central hill rises. Others are in the form of funnels, which are formed during explosions. Numerous small craters cover the entire lunar surface and even the bottom and ramparts of large craters. Craters, even of an unusual shape, were formed when meteorites fell on the surface of the Moon.

Meteorites also owe their origin to the long bright rays that radiate from some large craters (for example, from the craters Tycho, Copernicus, Kepler) over distances of several hundred and even thousands of kilometers. They are chains of small craters covered with fine-grained matter that strongly scatters sunlight.

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Random news from the Archive

Snoring damages the heart 04.10.2019

Snoring can indicate obstructive sleep apnea - this is the name for short-term pauses in breathing that occur during sleep and cause the brain to wake up periodically for a moment.

During sleep, the muscles of the pharynx, like the muscles of the whole body, relax. Soft tissues, closing, block the airways, the level of carbon dioxide in the blood begins to rise. Special receptors sense this and send a signal to the brain to wake up. Waking up for a short time, the person begins to breathe properly again, the level of oxygen in the blood rises, and sleep returns. Not every snoring, even very loud, necessarily indicates apnea, but still this is an occasion to check yourself for respiratory distress.

It's not just that we don't get enough sleep because of sleep apnea. It is authentically known that because of it the probability of cardiovascular diseases increases; sleep apnea may be a major cause of secondary hypertension; sleep apnea can cause heart rhythm disturbances, increasing the likelihood of a stroke.

Obstructive sleep apnea is now quite successfully treated - both with surgical methods and with the help of special devices that eliminate snoring and maintain a constant flow of air in the airways. These devices are considered the most effective way to combat sleep apnea. However, even with them it is not always possible to reduce the risk of cardiovascular problems. Therefore, researchers are trying to understand in detail the physiological mechanisms that link sleep apnea with heart and vascular disease.

Researchers at the Australian Heart Institute, along with colleagues from the University of Sydney and Macquarie University, write in Frontiers in Neuroscience that they have found a neurotransmitter that links sleep apnea to high blood pressure. This neurotransmitter is called PACAP (pituitary adenylate cyclase activating polypeptide, pituitary adenylyl cyclase activating polypeptide).

In sleep apnea, the brain undergoes periodic lack of oxygen, and PACAP is needed in order to stimulate the activity of the sympathetic nervous system. It, as you know, refers to the autonomic nervous system that controls the work of internal organs. Activation of the sympathetic nervous system stimulates the heart, and as a result, blood pressure rises.

Scientists tried to block the receptors that bind the PACAP neurotransmitter, and as a result, the heart continued to work normally. So far, experiments have been carried out on animals, but it is possible that humans will soon be able to create a substance that will help our cardiovascular system withstand sleep apnea.

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