This time, I would like to think about the universe and people where the earth exists. Please refer to the 4th episode about the birth of the earth from the creation of the universe. The earth belongs to the solar system, the sun is a star, and the earth is a planet. Planets are a group of stars composed around stars. The planet Earth is constrained by the gravity of the sun and orbits the sun. The moon is a satellite constrained by the gravity of the earth. The moon is constrained by the earth and the earth is constrained by the sun. The Earth, Moon, Sun and other planets maintain an exquisite gravitational relationship to form the solar system. There are many planets in the solar system other than the earth, but I will omit the explanation here. The stars that exist in the universe generate a force that attracts each other, and this force is read as gravity or attractive force. Stars that are drawn to each other are affected by the gravity of heavy stars and constrain small stars under certain conditions. The solar system and the galaxy are balanced and exist by the same principle.
Gravity generated between stars is distorted by the influence of gravity. It has been observed that this distortion becomes more pronounced as the weight of the star increases and distorts the space. The mechanism of the universe explained from the fourth episode has been elucidated by string theory, Schrodinger theory, various physics related to the universe, cosmology, etc. Since it is not a specialized field here, detailed explanation is omitted. The reasons for looking back on the history of the universe when thinking about safety are as follows. The earth, which is the environment in which people live, is a part of the universe, and the earth is influenced by the universe and is active. This is because it is necessary to know the earth well when considering human safety. The activities and changes of the earth have a great direct impact on people. One of the major impacts is natural disasters. Again, the universe was born and the earth was born. Life is born on the earth, and human beings will exist on the earth by repeating mutations. To think about human safety, we need to know the biological mechanism of humans themselves. Because peace of mind is maintained as the essence of human life. Peace of mind is born in the heart of living things. We ensure safety by keeping ourselves safe. It is necessary to learn how to control the emotions that occur in the mind and how they are influenced by the five senses caused by external stimuli. It is dangerous to stimulate and change emotions without these being clarified. In order to elucidate these, it is necessary to study people. To sum up, safety requires learning various disciplines that change people and various disciplines related to the earth. It is necessary to use this knowledge to understand the biological mechanism of human beings and to face them safely.
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