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Anonymous users2024-02-15There may be a bigger world outside the universe, or there may be nothing, so there may be some other matter, there may be other living beings, but with our scientific power, it cannot reach the outside.
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Anonymous users2024-02-14I don't know, I haven't found the boundaries of the universe yet, so I don't know what is outside the universe, and I don't even know much about the solar system now.
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Anonymous users2024-02-13The Earth is located in the Milky Way in the universeSolar system, about 100 million kilometers from the Sun.
There are about 1000-400 billion stars in the Milky Way, and our solar system is one of these huge groups of stars, and the entire solar system is centered around the Milky Way.
Rotation, the Earth is a member of the solar system.
The solar system is on a spiral arm 100,000 light-years away from the center of the Milky Way, not in the center of the Milky Way, but in a remote region far away from the Milky Way. The Sun takes the entire solar system around the Milky Way about every 100 million years, and the orbit of the Sun does not pass through the central part of the Milky Way.
There are about 2 trillion galaxies in our universe.
Both the Milky Way and the Earth are at the edge of the universe as we observe them.
The universe itself is constantly changing with human cognition. So where the Earth and the Milky Way are in the universe, we can't come to a definitive conclusion. After all, the observation of the universe refreshes our cognition all the time.
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Anonymous users2024-02-12Cosmic coordinates of the Earth:Laniakea Supercluster - Virgo Cluster - Home Group - Milky Way - Huarm - Gould Belt - Local Bubble - Local Interstellar Cloud - Oort Cloud - Third Planet of the Solar System.
Due to the limitations of modern science, we cannot leap to other regions of the universe to explore and observe the regional distribution of the universe, so we can only understand our position through one means at present, and that is "astronomical observation".
Earth is the third planet to be from the Sun and the only known object that harbors and supports life. Approximately the surface of the earth is a land mass made up of continents and islands. The remainder is covered by water, mostly by oceans, bays, and other saltwater bodies, but also by lakes, rivers, and other freshwaters, which together make up the hydrosphere.
Most of the Earth's polar regions are covered in ice.
The universe is beyond our imagination, perhaps even the length of our human civilization can never know what position our earth is in the universe, and the life of each of us is only a few decades, our life is only a moment for the evolution of the vast universe, just as the floating life is for us, our ordinary day, for it is the scale of a lifetime.
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Anonymous users2024-02-11The cosmic environment in which the Earth is located: The Earth is an ordinary and special planet in the solar system
The cosmic environment in which the earth is located refers to the cosmic environment centered on the earth, which can be understood from both the macro and micro levels. At the macroscopic level, it refers to the position of the Earth in the celestial system, that is, the Earth-Moon system-solar system-Milky Way-total galaxy; At the microscopic level, it refers to the position of the Earth in the solar system.
The earth is an ordinary planet, and the comparative data of the major planets in the solar system and the location map of the earth in the solar system can be used to show that the earth is an ordinary planet from the aspects of the motion characteristics and structural characteristics of the major planets. As for the reasons for the existence of life on the earth, it is necessary to analyze not only the conditions of the earth itself and the conditions of interplanetary space, but also the conditions of interstellar space, so as to show that the earth is a special planet.
1) The cosmic environment in which the Earth is located.
1 Celestial Bodies: 1) Definition: The form of matter that exists in the universe, commonly known as celestial bodies.
2) Celestial Types:
Natural objects: stars, nebulae, planets, moons, meteors, comets, gases and dust in interstellar space.
The most basic celestial bodies are stars and nebulae. The Sun is the closest star to Earth.
Stars: Spherical objects composed of hot gases that emit light on their own and have a lot of mass.
Nebula: A cloud-like celestial body composed of gas and dust, mainly composed of hydrogen.
Artificial celestial bodies: space shuttles, artificial satellites, spaceships, space junk, etc.
2 Celestial Systems:
1) Concept: Various celestial bodies in the universe attract and orbit each other to form a celestial system.
2) The composition of the celestial system.
3) Lightyear: A unit that measures the distance between celestial bodies. The current extent of the universe that humans can observe is 15 billion 20 billion light years.
ii) An ordinary planet in the solar system.
1 Planets are ranked from the Sun from near to farth
Sun - water, metal, earth, fire, wood, earth, heavenly king, sea king.
2 Eight Planetary Classifications:
Categories include planets.
Far and near the sun. Volumetric mass.
Average density. Surface temperature.
Number of satellites. Halo is there or not.
Terrestrial planet. Water, gold, and fire are near and far.
Small, big, high, low. There is not very little.
No giant planets. There are many sizes of wood and soil.
There are far-day planets.
King of Heaven, King of the Sea.
In fact, think bigger, broaden your horizons, and think about it. The universe seems vast to us, but to the eyes of ants, we humans are also vast. Maybe there is a creature outside the universe, they look at us like we look at ants, you don't have any means to deny their existence, and the terrible thing does exist.
How did all the matter in the universe come into being? Did it come out of nowhere?
Human beings have lived in three-dimensional space for a long time and are ignorant of everything in the higher dimensional space. The rumored four-dimensional space is composed of time and space, and human beings do not even understand the concept of time and space thoroughly, let alone go deep into the four-dimensional space. >>>More
Naturally, there is. Different substances will appear on other celestial bodies that are different from the Earth's environment, and the Earth does not contain everything in the universe >>>More
According to historical records, this country was destroyed by the Northern Wei Dynasty, because the country was already very decadent at that time, so it was conquered by the powerful country of the Northern Wei Dynasty, and the corresponding culture gradually died out.