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Why do we only see one side of the moon? Detailed answer

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Why do we only see one side of the moon?

Ever since man appeared on Earth, the Moon has been a mystery to him. In ancient times, people worshiped the moon, considering her the goddess of the night. Today, however, we know much more about what it really is. We can even see the "reverse", or, as it is also called, "dark" side of the Moon in photographs taken by Soviet and American scientists.

Why can't we look at the far side of the Moon from Earth? The fact is that the Moon is a natural satellite of the Earth, that is, a celestial body smaller than our planet revolving around it. One complete orbit of the Moon in orbit around the Earth is approximately 29,5 days.

It is remarkable that the Moon rotates around its axis in the same time. That is why we can see only one side of it from the Earth.

 To better understand how this happens, try the following experiment. Take an apple or orange and draw a line on it dividing it into two halves. Imagine it's the moon. Then stretch out a clenched fist in front of you, which should represent the Earth. Now turn the "Moon" with one side to the "Earth".

Continuing to keep the "Moon" facing the "Earth" with the same side, make it complete a revolution around the "Earth". You will see that the "Moon" will turn around its axis, and from the "Earth" only one side of it will still be visible.

Author: Likum A.

 Random interesting fact from the Great Encyclopedia:

What protection against Gagarin's insanity did the spacecraft engineers provide?

At the beginning of the era of astronautics, no one could imagine how being in space would affect human health, in particular, whether he would go crazy. Therefore, to transfer the ship from automatic to manual control mode, protection was provided with the input of a special digital code, which was in a sealed envelope. It was assumed that in a state of insanity, Gagarin would not be able to open the envelope and understand the code. True, just before the start of the flight, he was still told the code.

 Test your knowledge! Did you know...

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See other articles Section Big encyclopedia. Questions for quiz and self-education.

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