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Nature. And humans define the direction in which the sun sets as west.
In general, because of the direction of rotation of the Earth, the Sun rises in the east (except for the North and South Pole regions, where there are polar days and nights). However, the rotation of the earth is still revolving, which causes the change of seasons, so whether it is due east or not is also affected by this factor.
First of all, the influence of the seasons, China is in the northern hemisphere, and the sun moves near the Tropic of Cancer in the summer, so people in the provinces on the Tropic of Cancer can feel that the sun rises due east, and people on Hainan Island, which is close to the equator, will feel that the sun rises from the northeast.
In addition to the season, it is also related to the region. In some places, such as Heilongjiang Province in China, the sun will not rise due east, but in the southeast, because the sun moves between the Tropic of Cancer and the Tropic of Cancer, and the northernmost is the Tropic of Cancer, not Heilongjiang Province.
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Because people call the direction in which the sun rises "east".
And then it was decided in turn. The opposite side of the east is "west".
South", "North".
Since then, people have a fixed view of the direction.
Because of the sun, people also do a lot of directional positioning.
For example, this was used to make a clock (a stick stuck in the ground).
Use the hour hand of your watch and the angle between 12 o'clock to set the north against the sun.
So in this way, the agreement to mature was determined to be in the East. The direction in which the sun rises!
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Because the earth turns from west to east.
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Rotation is because it is constantly rotating.
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Because the earth rotates from west to east, and it revolves around the sun, the sun rotates at one point, and we are on the earth, so we feel that the sun is rotating, and the reference we choose is different, we choose the sun as the reference, then the earth is revolving around the sun, and there are nine planets in the solar system, it is impossible for the sun to revolve around the earth, so this is why the sun rises from the east! The west side is falling!!
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You have to understand the relative position of the Sun and the Earth in the solar system and the direction of autobiography. With the Sun as a frame of reference, look down at the Earth from the Earth's North Pole, which rotates counterclockwise (from west to east). Think about it.
For the Earth, the red dot indicates that the Sun is rising, appearing in the east.
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Your question reminds me of someone once asking me whether we live above or below the earth, but unfortunately I don't know.
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Because the earth turns from west to east.
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Because the earth rotates from west to east, you see the sun rising in the east and setting in the west.
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The sun rises in the east and sets in the west.
Earth in the solar system.
Not only does it revolve around the sun, and one revolution is a year, but the earth itself is also rotating, and one rotation is one day.
The rotation of the Earth. The direction is from west to east, because we humans live on the earth, we often do not feel this movement of the earth, but feel that all the celestial bodies revolve around the earth from east to west.
The earth rotates from west to east, and people on the earth think that the sun and other celestial bodies revolve around the earth from east to west, so people living on the earth always feel that the sun rises from the east and sets in the west when the earth rotates from west to east.
The sun does not always rise due east and set due west. There are only two days of the year, the spring and autumn equinoxes, when the sun rises due east and sets due west, not the rest of the year.
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Depending on the position of the direct sunlight, the direction is different.
When the sun shines directly in the northern hemisphere, it is the northeast that rises and the northwest sets, and when the sun shines directly in the southern hemisphere, it rises southeast and sets.
The sun rises and sets:
In spring and autumn, it rises in the east and sets in the west. (The premise is that in the case of equinoxes, which refer to the spring and autumn equinoxes).
In summer, it rises in the northeast and sets in the northwest.
In winter, it rises in the southeast and sets in the southwest.
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Summary. The sun rises in the east and sets in the west, which is determined by the rotation of the earth. The Earth's rotation from west to east rises in the east and sets in relation to the Sun.
The earth moves from west to east absolutely, and people on the earth are relatively stationary, but the actual movement of people is from west to east along with the earth, so when you look at the sun, you feel that the sun is moving, and you feel that it is from east to west!
Why the sun rises in the east. Fall on the west side.
The sun rises in the east and sets in the west, which is determined by the rotation of the earth. The Earth's rotation from west to east rises in the east and sets in relation to the Sun. The earth moves from west to east absolutely, and people on the earth are relatively stationary, but the actual movement of people is from west to east along with the earth, so when you look at the sun, you feel that the sun is moving, and you feel that it is from east to west!
We usually say that the sun rises in the east and sets in the west, which is a rough way of saying it. In fact, only when the Sun is directly at the equator on the equinox, the Sun rises in the east and sets in the west, and the whole world rises in the east and sets in the west. Strictly speaking, on the equinox, the sun rises in the east and sets in the west.
When the direct point of the sun is directly in the northern hemisphere, the sun rises due east and northeast, i.e., northeast, and sets due west and north, i.e., northwest. When the direct point of the sun is directly in the southern hemisphere, the sun rises south-east, southeast, and sets south-west, i.e., southwest.
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The sun rises in the east and sets in the west, which is determined by the rotation of the earth. The rotation of the earth from west to east is the rotation of the earth around the earth's axis. However, people live on the earth and cannot feel the movement of the earth, thinking that it is the sun and other celestial bodies that revolve around the earth from east to west, which makes us feel that the sun rises in the east and sets in the west, so the sun rises in the east and sets in the west, which is produced by the rotation of the earth.
The law of the Earth's rotation.
The Earth rotates from west to east on its axis of rotation, rotating counterclockwise from the North Pole and clockwise from the South Pole. The rotation of the earth is an important form of motion of the earth, the average angular velocity of rotation is radian seconds, the linear velocity of rotation at the equator of the earth is 465 meters and seconds, and the angular velocity of any point on the earth is 15° except for the poles. In general, the rotation of the earth is uniform.
In all respects, the concept of the Earth's rotation is the rotational motion of the Earth around the Earth's axis; The direction of rotation is from west to east, counterclockwise over the North Pole and clockwise over the South Pole; The period is divided into sidereal day and solar day, one sidereal day is: 23:56:4 seconds, and a solar day is: 24 o'clock; The center of rotation of the Earth's rotation is the Earth's axis; The angle of velocity is called velocity:
Except for the north and south poles, when they are both 15°, the north and south poles are 0°; The linear velocity decreases gradually from the equator to the poles until the pole is 0.
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The reason why the pro-sun rises in the east and sets in the west is because of the rotation of the earth. The earth rotates once a day, and this motion is a rotational motion centered on the axis of the earth. Since the Earth is a sphere, it appears to us that the sun rises in the east and sets in the west during its rotation.
Specifically, when the Earth turns to the side of the Sun, this side is the sunny side, and the Sun rises from that side; And when the Earth is so high that it turns to the side facing away from the Sun, that side is the side facing away from the Sun, and the Sun sets from that side. As a result, the position where we see the sun rising and setting is different every day. It is important to note that this phenomenon is only observed in the Northern Hemisphere and near the equator, and because it is in the Southern Hemisphere or at high latitudes, the position of the Sun will look different because the direction of the Earth's rotation is different from the direction of the propagation of the Sun's rays.
For example, in the Southern Hemisphere, the sun rises in the east and sets in the west; In the Arctic Circle, the sun does not set above the horizon for 24 hours. In conclusion, the phenomenon of the sun rising in the east and setting in the west is caused by the rotation of the earth. This phenomenon is most pronounced in the Northern Hemisphere and near the equator, but it is different in the Southern Hemisphere or at high latitudes.
Sunlight is parallel light, because the distance between the earth and the sun is 150 million kilometers, so far, such a large sun rays, we generally see it as parallel light. If you look at it as a parallel light, then, when the sun rises from the northeast in one place, the sun rises from the northeast everywhere else where the sun rises and sets. >>>More
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In addition to revolving around the Sun, the Earth also rotates from west to east. Since people live on the earth, they often do not feel this movement of the earth, but feel that all the celestial bodies revolve around the earth from east to west. The earth rotates once from west to east, and people on the earth think that the sun and other celestial bodies circle the earth from east to west. >>>More
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