Why don t the planets in the universe collide together?

If the planets in the sky were close together and moving in a haphazard manner, perhaps they would collide with each other.

This is not the case.

Moon. It is the closest celestial body to Earth, but the average distance is also 384,400 kilometers. The Earth is farther from the sun, with an average distance of 149.6 million kilometers, and it would take more than 3,400 years to walk it. Also, the solar system.

Under the influence of the sun's gravity, the planets orbit the sun in their own orbits, and they will never collide.

The stars in the sky are even farther away from each other, averaging more than 100,000 light-years. The closest star to our Earth - Proxima Centauri.

It will take more than 4 years for the light to arrive. Moreover, they do not rampage without regularity, but circle the center of the galaxy according to a certain pattern.

rotated, so it's almost impossible for them to collide with each other. Scientists calculate that it takes about 10 billion billion years for stars in the sky to collide.

Many planets in the universe will not collide with each other, the most direct factor is the interaction force between the planets, this is simply two objects with mass in space, as long as the distance is not zero, there will be gravitational force between them, and the planets have reached a state of equilibrium through gravitational force. The equilibrium state will make the planet move according to a special orbit, because of the constraint of force, the planet will not leave its orbit without authorization, and the distance between the planets is more than 100,000 light years on average, that is, the distance of light traveling 100,000 years at the speed of light, such a long distance has no chance of collision at all.

The Earth is in the solar system, and the solar system is in the Milky Way. The collision between the Milky Way and the Andromeda Galaxy is already well known, and scientists have observed the movement of galaxies and believe that the collision between the Milky Way and the Andromeda Galaxy will occur about 4.5 billion years later.

Although the two galaxies collide in 4.5 billion years, the merger process is very slow, and it takes about 5.5 billion years for the two galaxies to merge and become a larger galaxy from the time they come into contact.

The clash of the Andromeda Galaxy and the Milky WayEventually, a larger galaxy will be born, and it will change from a spiral galaxy to an elliptical galaxy.

With a diameter of more than 100,000 light-years and about 100 billion shaped objects, the Milky Way is a spiral galaxy with a current age of 13.6 billion years.

With a diameter of about 220,000 light-years and 1,000 billion shaped objects, the Andromeda Galaxy is also a spiral galaxy with a current age of 10 billion years.

The contact of two galaxies will first lead to anomalous changes in the marginal zone.

Due to the contact and collision of galactic materials, we will detect frequent star births and supernova explosions at the edge of the Milky Way, which is a sign of the official start of galactic collisions.

If a large number of stars are born abnormally at the edge of the Milky Way and supernova explosions occur frequently, humanity needs to consider the possibility of galactic collisions and move to a safer location in time.

As the galactic collision progressed, the material from the two galaxies began to move deeper into the area.

This will trigger an even more violent collision reaction, many star systems will be devastated, and the entire galaxy will generate a huge surge of energy, and if the Earth can survive, it will be possible to see an unusually spectacular sky.

However, the galactic collision is a cosmic-level disaster, most of the celestial bodies in the galaxy will be destroyed and reorganized, and the surviving celestial bodies will also be easily affected by the impact and break away from the galaxy to become a "wandering planet".

As matter and energy collide, the supermassive black hole at the center of the galaxy will also be activated and begin to devour the matter in the galaxy.

Scientists have conducted mathematical simulations of the collision of the Milky Way and the Andromeda Galaxy, and the simulations show that as the galaxy collides, the supermassive black hole at the center of the galaxy gradually approaches and becomes a special binary star system.

However, the binary star system created by the two black holes is not stable, and the huge gravitational pull causes the two black holes to rotate each other at a very fast speed and produce huge gravitational waves.

The supermassive black hole at the center of the galaxy forms a binary star system until the black holes merge, a process that takes about 17 million years.

According to simulations of galactic collisions, the Earth has only about a few billion years to escape the Milky Way.

However, there is also a time limit for the life span of the sun, and humans need to escape not only from the solar system, but also from the Milky Way.

It will cause serious consequences, there may be high-speed expansion, there will be a situation where there will be mutual influences, and it is possible that the main brother will lead to an imbalance in the universe, because the density of space is particularly high.

It will have very serious consequences for galaxies, because it is likely to cause changes in the universe, and it is likely to affect the development and survival of the earth.

It will have unpredictable consequences for the galaxy, it is a devastating blow, very terrifying, and it will produce a violent **.

It is a union that represents the beginning of the establishment of a new order, a process of energy release!

What kind of scene is it like for two galaxies to collide in the universe? Since the solar system is so small, the collision of the two galaxies is not a scene of meteorites hitting planets, but is slowly absorbed by each other. If our solar system is absorbed by the Nymph Spine, it will only change the orbit of the entire wild pure solar system, and will have no effect on the Earth's orbit around the sun.

<> hypothesis is that in 4 billion years, I believe that human technology will enter a higher dimension. It is only tens of thousands of years from the beginning of human civilization to the present, which is insignificant for the age of the universe. With a time of 13.8 billion years for 12 months, we humans from December 31 to 23:

59:47Start life. This means that we only have about 13 seconds of civilization time.

There are still four full months to go until the galaxy collides and is destroyed.

If a neutron star collides and merges with a red giant, they can form a strange kind of star within a star. The theory was proposed in 1977 by the American astronomer Kipton and the Polish astronomer Anna Zutkuw. In 2014, astronomers observed something unusual about the star HV 2112, so they thought it might be one of the theoretical** stars.

Such collisions can occur in extremely dense globular clusters, but more commonly, they occur naturally when two stars revolve around each other at certain stages of evolution.

Here's how it goes. Neutron stars are formed in binary star systems when one of the stars undergoes a supernova**. Supernovae are asymmetrical, so they can push neutron stars out of their orbits.

In addition, the loss of mass also changes the gravitational pull of the two stars, thus altering their orbits. In this way, the two stars move in orbits that cross each other. The remaining stars enter the red giant phase and expand in size, scattering their thin outer layers across the vast space around them.

Neutron stars in binary stars actually operate in the rarefied atmospheres of red giants. The friction with the red giant star material will slowly deplete the kinetic energy of the neutron star, causing the orbital to decay. The two stars are getting closer and closer, and in a few hundred years, they will merge.

In this way, the neutron star becomes the core of the red giant. Neutron stars are much hotter than the cores of ordinary stars, so nuclear fusion in the core of such a particular body is different from other bodies, producing large amounts of elements such as lithium, rubidium and molybdenum. These characteristics became an important basis for the search for this particular object in the universe.

Collisions between galaxies can indeed cause massive damage, and all of this destruction is caused by gravity. When two galaxies collide and rise early, there will be a huge "tidal" action between the stars, and then these stars will be pushed away by gravity, causing the shape of the galaxy to change. Some stars are thrown out of the galaxy, while others are "embraced" to the center of the galaxy.

Meteor showers can occur on Earth, many meteorites may fall, and new black holes will form.

This scene is like a big universe, Mu Qiao is very wonderful, and it will also produce a lot of sparks, and it will also make you feel that this is a very beautiful picture.

Most of the planets in the universe have regular trajectories, collisions rarely occur, but there are exceptions, very few planets occasionally collide, just like traffic accidents on Earth, those who obey traffic rules have a low probability of accidents, and those who violate them have a high probability of accidents (collisions). Will planets collide If the Earth is close to other planets and is moving face to face at the same time, it may be possible to collide with each other. The closest planet to Earth is, of course, the Moon, but it is 384,400 kilometers away from Earth on average.

The sun is farther from the earth, with an average distance of 149.6 million kilometers, and if you walk to the sun, you have to walk for more than 3,400 years; The earth revolves around the sun in a regular manner, so it can't hit the sun at all. As for the other planets of the solar system, the sun's gravitational pull forces them to take their places, orbit in their own orbits, and do not collide with each other. If there are other stars that are also talked about, it is even further away.

The closest star to Earth is light-years away from us, which means that light travels 300,000 kilometers per second, and it takes 4 years and 3 months to reach Earth from there. In terms of distance alone, the average distance between stars in the universe near the solar system is more than 10 light-years. What's more, all the stars also move regularly, and the sun and all the stars of the Milky Way are revolving around the center of the Milky Way, rather than rushing sideways irregularly.

So within the Milky Way, there is little chance of collisions between stars. Scientists have calculated that, on average, star encounters occur only once every 10 billion billion years in the Milky Way. In addition, the meeting of a comet and a planet, the fall of a meteor, for example, in May 1910 the Earth passed through the middle of the tail of Halley's Comet; The world's rare meteorite shower that landed in Jilin on March 8, 1976 was also a kind of collision of celestial bodies, but this collision had no effect on the planets.

According to the latest reports: galaxies and galaxies in the universe also collided in the universe The Milky Way devours neighboring galaxies.

Because most of them still have a certain trajectory, and there is a gravitational force between them, they can keep a certain distance from each other.

Because there is a lot of gravitational force between the universes, there is no collision at all.

Each planet has a fixed trajectory, they will always follow their own trajectory, and the mass of each planet is also different, so that they do not interfere with each other.

It's because they each have their own tracks, and they drive at a constant speed every day, so there is no way to collide.