What is the Milky Way? Detailed answer

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What is the Milky Way? Detailed answer

Big encyclopedia for children and adults

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What is the Milky Way?

The most mysterious and beautiful in the sky, apparently, is the Milky Way, stretching like a necklace of precious stones from one side of the sky to the other. In ancient times, people, looking at this picture, like us, were surprised and delighted with this beauty. Not knowing what it could be, they gave unusual and sometimes beautiful explanations for the Milky Way.

For example, at the birth of Christianity, people believed that this was the road of angels, along which they could ascend to heaven. They also thought it was a hole in the sky that allowed those living on Earth to see beyond the firmament.

Our current knowledge of the Milky Way does not prevent us from admiring it. The reality is as amazing as the ancient legends about its alleged creation.

Our galaxy, round and flat, is shaped like a clock. If we could look at it from above, we would see that the galaxy really looks like a clock. But we are inside the galaxy, and looking up, we kind of look at the edge of the clock from the inside. We watch their edge curve around us. These millions of stars make up the Milky Way.

Did you know that the galaxy is made up of 3 billion stars? And we have an idea of its size. Light from the Sun reaches the Earth in 8 minutes. A beam of light will travel from the center of the galaxy to the Sun in 27 years.

The galaxy rotates around its axis like a wheel. One complete revolution takes 200 years.

Author: Likum A.

Random interesting fact from the Great Encyclopedia:

What could an ancient Greek man throw at a woman to show his love?

According to the myth, Paris awarded the apple of discord with the inscription "The most beautiful" goddess of love, Aphrodite. Therefore, if an ancient Greek man threw an apple at a woman, this symbolically expressed his feelings for her. And if a woman caught an apple, she accepted this love.

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Deadly danger of apples 26.09.2016

Apples are often called the "fruit of health" because they contain many vitamins and antioxidants. However, it is impossible to eat a whole apple, with a core and seeds.

There is a proverb in English: “An apple a day keeps the doctor away”: it has been established that eating apples is useful for the prevention of many diseases, including cancer. Although apples do not contain as much vitamin C compared to other fruits and vegetables, they are rich in antioxidants. Apple fiber stimulates intestinal motility, has a positive effect on heart function and lowers cholesterol levels.

Some nutritionists even advise eating whole apples, but this is an erroneous opinion: apple seeds contain a deadly compound - mandelic acid nitrile gentibioside C20H27NO11, or amygdalin. It is also present in the pits of cherries, almonds, peaches, and many plum plants. The specific gravity of amygdalin in different fruits is different: if for almonds and peaches it is about 2,5-3%, then for apricot this figure is at the level of 1,8%, and for apples - 0,6%.
Scientists remind of the danger lurking inside the fruit. In mild cases, amygdalin poisoning is manifested by headache and nausea; in severe cases, cyanosis, convulsions, loss of consciousness are observed; even death is possible.

In New Zealand, cases of amygdalin poisoning have been reported after eating 30–60 apricot kernels. The exact number of whole eaten apples that can be harmful to health has not been calculated, but one should not forget that their bones, albeit in low concentrations, contain poison.

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