Since the universe is expanding, why is it said that the Milky Way and the Andromeda Galaxy will col

The entire universe is expanding on a macroscopic scale, which is the consensus of the astronomical community. However, it does not apply on a small scale, for example, our Earth has not moved away from the Sun due to the expansion of the universe. In the same way, the Milky Way and the Andromeda Galaxy are also extremely small in the universe, and due to their respective orbits and interorbits with other galaxies, the two galaxies may be close to each other, but not necessarily collide.

In such a vast universe, galaxies seem extremely small, and it is not easy to get close, let alone collide?

In the future, the Milky Way and the Andromeda Galaxy will collide, which is in line with the laws of nature, because the universe is expanding and constantly moving, so small-scale collisions are inevitable.

Of course, in the future, the Milky Way and the Andromeda constellation may collide. But we don't see that this is just a hypothesis.

The rate of expansion of the universe is different for each galaxy, and if the galaxies are close to each other, but the expansion rate is relatively fast, it will naturally be easier to collide.

The Milky Way and Andromeda don't necessarily collide, it's just a possibility. And the universe is expanding, which is also a proposition to be verified. Even if the universe is expanding now, it cannot expand forever.

Is it? Is there such a thing? Then we can only know in the future, it's all hearsay now, is there a scientific basis?

No, if not, then don't worry about it, it's better to live in the present, and what are you doing in the future? What's more, it's some hearsay, don't think about it.

Although the universe is expanding, there is a possibility that the Milky Way and the Andromeda will collide in the future, because their trajectories are not far apart, and they may deviate from the original trajectory and collide.

Because of gravity, two galaxies attract each other" and slowly collide.

Yes, the universe is expanding, and this rate has been accelerating for the past 5 billion years, and it is likely to continue to be that way in the future. But not all galaxies are moving away from the Milky Way, for example, there are many satellite galaxies around the Milky Way that revolve around the Milky Way, and they are not far from the Milky Way. Another most famous example is the Andromeda Galaxy, which is currently approaching the Milky Way at a speed of 110 kilometers per second and will collide with the Milky Way in 3.8 billion years.

As for why this phenomenon occurs, the reason for this is the gravitational pull.

It's possible that these two are also inflated.

Because they're so close. The universe is in motion, so it collides.

I feel this problem. Not the average person can. In the know of 99% of the people.

I don't know how. And there are so many people in this problem. Maybe they are all people who love to learn.

At the very least, they are the ones who know how to look up information. I'll see if I can see more, even though I won't.

In the future, every adjacent galaxy will collide, and no one knows whether the universe is expanding or not.

Is there such a thing? Do you think it's all fantasy universe big ** won a little big**?

The Milky Way and the Andromeda Galaxy collide. There is no contradiction with the theory of the expansion of the universe. In fact, it is simply as if both cars are driving in the same direction.

All are away from the center, but the cars behind are a bit faster. Then the same can hit the car in front of you. It's not that it's expanded, it's all the same speed.

It may be that the trajectory of movement is communicative.

Since the universe is expanding, why talk about the future galaxy and Andromeda? Rest, colliding, even if it is expanded, it will collide at a certain time when the meat is reached, which is a natural phenomenon.

Universe **. But galaxies are also expanding. The host stars of galaxies also interact with each other, and this interaction force is relatively stable over time. But over time, they will change slowly.

Since breeding is encountered, the future galaxy and the like you may not collide. Because every star has its orbit and is never going to collide.

Because they're not on the same trajectory, they'll never meet.

The expansion of the universe does not mean that all galaxies move outward, and the Milky Way and the Nymph system have conflicting trajectories, so they will collide.

Since the universe is expanding, why do you say it? In the future, the Milky Way and the Andromeda Galaxy will collide. Because the meat swells.

I predict to the galaxy that the universe is expanding, why do you say that the galaxy and the fairy system will be in the future? Stars collide. That's what the future says, no um.

There is no scientific basis for the Milky Way and the Nymph system to collide. That's unfounded.

Because galaxies are not stationary, galaxies are moving all the time, and because the Milky Way and the Andromeda Galaxy are relatively close now, it is speculated that there may be a collision, but it is just the speculation of scientists, because even if it does collide, it is not known that it will be n years later, and then maybe human beings will be extinct.

Because the universe is always in motion, it is not a forbidden state, and if you change the trajectory due to external factors, you will be hit.

They are all next to each other, so when they swell, they collide with each other.

Because the Milky Way and the Fairy System both abide by the laws of mechanics and are affected by a variety of forces and move, in fact, the two galaxies will not necessarily collide, because the forces they are subjected to are irregularly changing, maybe they will suddenly change their state of motion and will not collide, but the probability of the two galaxies colliding in the future is relatively large.

The future collision of the Milky Way and the Andromeda Galaxy is just a conjecture of mankind.

Theoretically, everything in the world has its own process of growth and destruction. Affected by gravitational pull. In the future, the Milky Way and the Andromeda system may collide, but that will be many years away.

In the 20s of the 20th century, American astronomer Edwin Hubble discovered through the Hook Space Telescope that most galaxies in the universe are moving away from us, and the spectrum of celestial bodies is moving towards the long red end without exception, which says that our universe is expanding. The redshift of the Milky Way is caused by the expansion of space-time in the universe itself, and the distance away from the Milky Way is mostly due to the greater expansion rate between spaces than the effect of gravity, and the latest Hubble constant shows that every time the distance in space increases by 3.26 million light-years, <>

The regression rate of the Milky Way will increase by 70 kilometers and seconds, so the regression rate of the Milky Way at 140 light-years has reached the speed of light. Matter changes in motion, for example, in a sports field, the field does not change, but the people in the field are constantly changing. Or our planet.

Is the Earth getting bigger? One thing proves that the Earth is getting smaller. It is an indisputable fact that because people's greed, desire, and selfishness unconditionally dig and harm the earth, the earth will get smaller and smaller.

Because Andromeda is only 2.4 million light-years away from the Milky Way, the expansion of the universe causes Andromeda to retreat at a speed of only 54 kilometers per second. This speed is not enough to overcome the gravitational pull between the Milky Way and Andromeda, so Andromeda can still approach us at a speed of 110 kilometers per second. According to the results of existing scientific research, the farther the distance, the more obvious the influence of dark energy, the faster the space expands, and within a certain range, the closer the distance, the stronger the gravitational pull.

Although Andromeda is 2.5 million light-years away from the Milky Way, it is still a very close distance relative to the size of the Celestial Universe. In this case, gravity is stronger than dark energy, so Andromeda and the Milky Way are getting closer.

But with so many galaxies moving away from us, the Andromeda spectrum moves along the blue end, meaning it's getting closer and closer to us. So, if the universe is expanding, why did the Andromeda Album collide with the Milky Way 4 billion years later? Scientists point out that, by the way, we can measure the radial velocity of the Andromeda Galaxy relative to the Milky Way through the Doppler effect of the star spectrum, but we cannot measure the lateral velocity of Andromeda, that is, the speed of Andromeda itself, so in the distant future, these two galaxies may also be missed, so you don't have to worry too much.

Because in the process of the expansion of the universe, the mass of the universe is constantly lost, and the Milky Way and the Ashwaganda Galaxy are also expanding, and the volume between the two is increasing infinitely, so there will be a collision.

It is because they will have a certain gravitational force between the holes, and secondly, because these two pieces of information will have a certain trajectory of movement, so they will collapse and wither.

Because these galaxies are in motion, they also have a certain law when they are in motion, so they will collide with them.

Scientists say that the universe is expanding at a high rate, but the Milky Way and the Andromeda Galaxy are approaching at a speed of 300 kilometers per second and will collide in 3.04 billion years. Isn't it paradoxical that the expansion of the universe is moving galaxies farther and farther away, but galaxies are getting closer and closer? Let's talk about this.

Cosmic expansion refers to the massive expansion of billions of light-years of space, but on smaller scales, such as in a galaxy or cluster of galaxies, gravity still plays a major role. The expansion rate of the universe is precisely measured, and the result is the Hubble constant. The most commonly used data was provided by the European Space Agency in 2013, and they used Planck satellites to make precise observations and calculations, and the values were:

This means that at a distance of 3.26 million light-years, the galaxy is moving away from us at kilometers per second, with a margin of error of kilometers.

The expansion of the universe is isotropic and homogeneous, which means that no matter which direction we look, the universe is expanding at the same rate, the farther and faster it is, and the closer it is, the slower it is, in uniform proportion. The observable radius of the universe is 46.5 billion light-years, and the most distant galaxies are moving away from us at 97,086 kilometers per second, more than three times the speed of light. Therefore, we conclude that space is expanding at a rate of more than three times the speed of light, but this is an expansion of space as a whole, not an expansion of individual galaxies.

According to the Hubble constant provided by the European Space Agency, the universe, which is light-years away from Earth, is expanding at a rate of kilometers per second.

After 3 billion years, will the collision of the Milky Way and the Andromeda Galaxy be incompatible with the rapid expansion of the universe? Some people liken the expansion of the universe to an inflating balloon. Each dot in the balloon doesn't separate quickly, but the farthest dot does.

So we see galaxies that are very far away from Earth, they move away from us quickly, but our speed is zero, and the closer we get, the slower our speed becomes, which is almost negligible compared to the gravitational pull of the objects around us.

The Milky Way and Andromeda belong to the same group of galaxies, and they are combined with each other by gravity and gravity. The two galaxies are 2.54 million light-years apart and are now approaching at a speed of 300 kilometers per second, and are expected to collide and merge into a new, larger galaxy in 30 to 4 billion years. But if you look at us from 46.5 billion light-years away, the civilization there will see that we are moving away from them at more than three times the speed of light, which is almost negligible, and the speed of 970,000 kilometers per second is compared to the speed of 300 kilometers per second.

Contradictions may occur. Because all the galaxies in the universe are changing, and some stars are expanding, maybe they will collide in the next few hundred or hundreds of millions of years.

Not contradictory. Because the expansion of the universe is going on all the time, both the Milky Way and the Andromeda Galaxy** may exacerbate the expansion of the universe.

There is no contradiction, because the Andromeda Galaxy and the universe belong to each other, and the Milky Way and the Andromeda Galaxy are insignificant.

Because Andromeda's orbit is slowly approaching the Milky Way, there are too many planets in the Milky Way, so Andromeda will definitely bump into one of them.

Because it has been accelerating for the past 51 years, and it is likely to continue to be in this state in the future, the continuous expansion and acceleration of the universe through the process of mutual integration may cause the collision of the Milky Way.

There should be no collisions, and they will avoid each other during this run.

About 4 billion years later, the Milky Way will inevitably collide with its neighbor, the Andromeda Galaxy. The collision of galaxies is a terrible astronomical event, and after painstaking measurements of the trajectory of the Andromeda Galaxy by the Hubble Space Telescope, the Milky Way and the Andromeda Galaxy collided a little earlier than previously estimated. What happens when two huge galaxies collide?

Astronomers have three different outcomes for the collision of such huge galaxies.

One is that two galaxies are approaching each other at a very slow speed (the relative velocity of the two galaxies is unchanged at the moment), and this collision may take millions of years, and this gentle collision is actually a fusion process, and under the influence of the gravitational pull between their respective stars, the two galaxies will take a long time to merge into a new galaxy.

In the process of the fusion of two galaxies, there will be a very small number of stars collide to produce a large **, and then it will be a pure match for a new stellar spine god, at that time, in the new large galaxy, this kind of star collision may be observed from time to time, but in general, this collision is still very gentle. According to NASA simulations**, the Sun is likely to be thrown into a new region of the Milky Way, but the Earth and the Solar System are not in danger of being destroyed.

The reason why astronomers think that the collision of the Milky Way and the Andromeda Galaxy is soft is because the European Southern Observatory has observed a collision and fusion between galaxies, that is, two galaxies in the constellation Aquarius, 89 million light-years away from the Milky Way, which have collided and merged, and this collision and fusion has been more than 4 million years old, and the fusion has formed a completely new galaxy.

Another opinion is that if the Milky Way and the Andromeda Galaxy collide head-on at a very fast speed, the gravitational pull between the stars will not interact, and the collision between stars will appear on a large scale, which will trigger a fierce chain reaction, and most of the stars will be violently impacted, and the consequence is that the Milky Way and the Andromeda Galaxy will be torn to pieces, and it will be a real apocalyptic scene, and under the fierce collision of two huge galaxies**, no life will be able to exist. Including humans on Earth.

According to current observations, the Andromeda Galaxy is rushing towards the Milky Way at a terrifying speed of 110 kilometers per second, and in the future, the two galaxies do not know whether they will be affected by the gravitational pull of other galaxies, and whether the speed will be further accelerated, once the speed of the Andromeda Galaxy reaches a speed of 200 kilometers per second, the celestial bodies of the two galaxies will collide violently.

In addition, some astronomers believe that it is impossible to accurately predict the consequences of the collision between the two galaxies, because at the center of the Milky Way and the Andromeda Galaxy, there are two huge black holes, about 4 million times the mass of the sun.