The universe is vast, with countless stars and planets, as well as other kinds of celestial bodies. Due to the role of gravity, all kinds of celestial bodies in the universe can basically have their own stable orbit, and will not run around. Planets revolve around stars, and stars revolve around massive black holes in the center of galaxies. The whole universe is in a very harmonious and stable state.
However, there are exceptions to everything. Although most of the celestial bodies in the universe can be very stable and run in their own orbits, there are still some planets that break away from the shackles of gravity and become wandering stars. There are many such wandering stars in the universe. Take our galaxy for example, the number of wandering stars is also very large.
If a star can break away from its original stable orbit and become a wandering star, there must be a major cosmic event, which produces huge energy to push the star out of its original orbit. Such cosmic events are often supernova explosions, and the huge energy generated instantly can push the nearby star out of its orbit and become a wandering star.
If a wandering star can wander all the time without being affected by the gravity of other celestial bodies, it must have a very fast speed, otherwise it will be affected by the gravity of passing massive celestial bodies and change from a wandering star to an orbiting star. So there are so many wandering stars in the galaxy, how fast can the fastest star go? On March 19, 2019, the American Astronomical Society announced that a pulsar named PSR J0002 6126 was passing through the Milky way at super high speed. It was a stellar remnant, which was produced when a massive star supernova erupted.
The pulsar gained a huge thrust in the supernova explosion, resulting in its extremely fast initial speed. When scientists found it, it was flying forward at a speed of about 1100 kilometers per second. How fast is that? Its speed is about a thousand times the speed of a shell. At this speed, it takes only one second from Beijing to Shanghai and six minutes from the earth to the moon.
Since pulsar itself is a mysterious celestial body with mass second only to black holes and neutron stars in the universe, and its wandering speed is so fast, it left the original supernova explosion center and pulled out a tail as long as 13 light years on its way forward. What a spectacular cosmic scene. A pulsar with very large mass wanders in the Milky way at a super fast speed.
It’s very difficult for such a star to be affected by the gravity of other stars, so it may eventually fly out of the Milky way and into the extragalactic space to go to a wider starry sky. It is possible to walk out of the Milky way and finally enter another galaxy after a long wandering in interstellar space. The wandering stars in the galaxy are divided into planets and stars.
Planet wandering is not strange, but wandering stars are a spectacle. We all know that the mass of stars is relatively large. Generally speaking, it is difficult for stars to become wandering stars, but anything impossible can happen in front of the universe, and wandering stars are not too strange in the universe.
Of course, once a star becomes a wandering star, it is difficult for it to become a stable celestial body again. Just like the wandering pulsar, it will eventually fly out of the galaxy to a wider space. All these are caused by some huge energy changes caused by the cosmic explosion, which belongs to the cosmic force.
However, there may be a kind of man-made wandering star in the universe. For example, in “wandering earth”, in order to avoid the destruction caused by the solar helium flash, scientists have installed tens of thousands of planetary engines on the earth, making the earth out of orbit, becoming a wandering star, and flying toward the outer solar system. Of course, once a living planet becomes a wandering planet, it is also a disaster for people living on the planet. The surface is basically unable to survive and can only be turned underground.
Perhaps in the eyes of many people, a living planet is not a time of irreversible disaster, it is not willing to let the planet become a wandering planet. This is human thinking, but there may be a strong interstellar civilization in the universe, which may completely transform the parent star and make the planet become a wandering planet.
For the powerful interstellar civilization, the life on the planet does not need to revolve around the star. The reason why the life planet needs to be in the habitable zone of the star is to get sunlight and temperature. But for an interstellar civilization, to solve the problem of light and temperature on the planet, we only need an artificial sun.
In this case, the planet can completely get rid of the shackles of the star. Even if the planet becomes a wandering planet, the intelligent life on the planet does not have to worry about the lack of sunlight and appropriate temperature. Powerful technology can solve all this. It is also a good thing for an interstellar civilization that the parent star becomes a wandering planet.
When a civilization becomes a powerful interstellar civilization, it will not shrink in a small galaxy, but move towards a more distant star sky. At this time, for convenience and attachment to the parent star, it may build the parent star into a spaceship, so that a star can move forward in the universe like a spaceship. If human beings have such powerful technology in the future and become an interstellar civilization, will we transform the earth into a wandering planet and move forward to the depths of the universe with human beings?
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