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Actually, I don't understand the meaning of your question.
But it doesn't really matter much when it comes to the seasons and the distance between the sun and the earth (of course, the distance between the sun and the earth is originally stable within a certain range.) At perihelion, the distance between the Sun and the Earth is 100 million kilometers; At aphelion, the distance between the Sun and the Earth is 100 million kilometers. The difference between the two is about 5 million kilometers, which is very small compared to the distance between the Sun and the Earth).
In the Northern Hemisphere, the Earth is at aphelion in the summer and perihelion in the winter.
This is mainly due to the difference in temperature caused by the change in the angle of the sun's altitude. At aphelion, the sun's rays hit the Northern Hemisphere directly, so the Northern Hemisphere is hot. Vice versa.
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Questions involving several aspects are answered one by one.
As long as it is an elliptical orbit, there must be aphelion and perihelion, and any planet that orbits an elliptical orbit has it;
At perihelion, the planet will receive more energy from the Sun than at aphelion, but this energy is not evenly distributed across the planet's surface, and the area facing the Sun will receive more energy per unit area than the area facing the Sun.
Therefore, whether a certain place on the planet is summer or not does not depend on the amount of energy obtained by the entire planet, but also depends on the share of energy allocated to this region, and the latter factor is more critical.
As for the astronomical content mentioned in **, don't take it too seriously, after all, only very few schools have astronomy courses.
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It is Titius's law that describes the distribution of planetary distances in the solar system. In 1766, the German Titius discovered that the distance from the planet to the sun follows a rule: if the distance from Saturn to the Sun is 100, the distance from Mercury to the Sun is 4, the distance from Venus to the Sun is 4+3=7, the distance from the Earth to the Sun is 4+6=10, the distance from Mars to the Sun is 4+12=16, the distance from Jupiter to the Sun is 4+48=52, and the distance from Saturn to the Sun is 4+96=, 3, 6, 12, 24, 48, 96 ......This sequence is a proportional sequence from the second term, subtracting 24, and each number plus 4 in turn corresponds to the distance between the planets and the sun, and this law is called Titius's law.
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The planet is Venus.
Venus is second to the Sun.
At 108,200,000 km (astronomical units), the Earth is the third closest to the Sun.
At 149,600,000 km (1 AU), Mars is fourth from the Sun.
The 227,940,000 km (astronomical unit) planet is the Moon (Earth's satellite).
The average distance between the Moon and the Earth is 384 400 km.
The star is the Sun (a triad outside the solar system).
The closest is the triad Light-years away, the constellation CentauriA and B in Centauri are stars that are very close together and similar to the Sun, while C (also known as Proxima Centauri Centauri) is a small red dwarf star that orbits the pair at a distance of light years. Next up are Barnard Star 6 light-years away, Light-Year Wolf-359, Light-Year Laland 21185
The largest star at a distance of 10 light-years is a blue dwarf star at a distance of light-years, about twice the mass of the Sun, with a white dwarf (Sirius B) orbiting Sirius. Within 10 light-years, there are also light-years away, the Cetis UV, which is made up of two red dwarfs, and 154., which is a solitary red dwarfThe solitary star similar to the Sun and closest to us is the constellation Cetus light-years away, with a mass of about 80% of the Sun but only 60% luminosity
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No. From an astronomical point of view, planets must be at the right distance from their stars in order to be suitable for life. This distance range is called the "habitable zone of the planet".
Different planets, different stars, and the extent of the habitable zone (the distance between the planets and the stars) is also different. For example, if the star is a massive and hot star, then the planet must be far away, otherwise the temperature on the planet is too high, and it will definitely not work. If it is a low-temperature red dwarf with a small mass, then the planet needs to be closer, otherwise the temperature on the planet is too low, and it will not work.
Also, it has to do with the planets. For example, if a planet is massive and gravitationally strong, the atmosphere will be thick. The high density of the atmosphere is easy to store heat, so it is necessary to stay farther away.
Planets have small masses and weak gravitational attraction, so the density of the atmosphere is low, and it is not easy to store heat, so they need to be closer.
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No. If it is too far away, there is not enough energy to support the normal operation of life activities.
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Of course not. Pluto is far enough away, its surface temperature is about minus 270 degrees, and even the air is frozen.
From an astronomical point of view, the habitable zone is a fairly strict range, and at the simplest level, the surface temperature must be between 0-100 degrees, that is, there must be liquid water.
Scientists have not found any other vehicle than liquid water that can develop complex organisms, especially those that humans can understand.
PS: YY** and brain holes are not science.
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Distance velocity = time.
3x10 5= seconds.
seconds 3x10 7 seconds per year = 4 years.
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It's Proxima Centauri, about light-years away.
Proxima Centaurus: Located in the constellation Centaurus, it is the third star of the Centaurus triad, also known as Centaurus C according to the Bayer nomenclature, and is the closest star (light years) to the Sun, and the star classification belongs to the red dwarf. It was discovered in South Africa in 1915 by astronomer Robert Innes, who was then director of the Union Observatory in Johannesburg.
Red dwarfs are usually so weak that they are invisible to the naked eye, and Proxima Centauri is no exception. Its apparent magnitude is 11th magnitude, and its absolute magnitude is a very weak magnitude. If viewed from the other two stars of the Centauri triad, it will be an equilibrium star.
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Planets are planets that orbit stars periodically.
As planets orbit stars, their orbits are elliptical, with the closest point to the star and the thickest point to the star. In the solar system, it is called the perihelion and aphelion of the planet's orbit. Therefore, when the perihelion of the planet's orbit is broken, the planet is closest to the sun.
For Earth, the periperihelion distance is 100 million kilometers, while the aphelion distance is 152 million kilometers.
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It's not like that, too close to the star will cause the planet's surface temperature to be too high, and too far away from the star will cause the planet's surface temperature to be too low.
In the solar system, Mercury and Venus are closer to the Sun than the Earth, so the surface temperature is too high to be habitable. And Mars is too far away from the sun, and the surface temperature is above freezing. The Earth is right in the middle, and the surface temperature is habitable.
However, satisfying the distance factor does not mean that they are habitable, and many planets have similar ground temperatures to Earth, but are not habitable.
There are many coincidences that life can be born on Earth.
The star begins as a cloud-like gas and slowly begins to shrink into a sphere. Gradually it began to heat up, and in middle age it began to fuse and glow. The energy of later years is re-fused by helium produced by fusion in middle age, which emits light and heats, and gradually becomes larger, and the last supernova with a small mass explodes, and the last massive ones evolve into white dwarfs or neutron stars or black holes.
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