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Why does it say that fate is within the cone of light in the "three bodies"?

2025-01-19 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > IT Information >

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Original title: "trisomy Douban fell below 6 points on the hot search!" Is fate within the cone of light? The reason why Luo Ji was chosen to face the wall has been found. "

Within the cone of light, there is an unchangeable fate; outside the cone of light, there is an unknown.

Last weekend, after a long week, trisomy fans finally waited for the fourth episode, within the Cone of Light.

In this episode, teacher Luo turns into a comedian, and his "performance" after being announced as the fourth person facing the wall can be called a classic.

However, as the collection fell to the ground under a statue in the United Nations Square, the editor was lost in deep contemplation at the end of the episode: what on earth does it mean inside the light cone?

Coincidentally, bilibili, a up master, explained to us what a light cone is.

Within the cone of light is fate. What is it? "Destiny is within the cone of light" is a very famous sentence in the original work of "three bodies".

If we light a candle, light will spread around in the form of expanding bubbles.

According to the theory of relativity, no mass object can exceed the speed of light.

So, we can never escape this bubble.

If we think of the current state as a slice of two-dimensional space, the bubbles are like growing circles. When these circles are stacked, a cone is formed.

This is the light cone.

As the most important structure in Einstein's theory of relativity, the light cone affects the most fundamental causal relationship in the universe.

Suppose there is a supernova explosion in the depths of the universe far from Earth, and the light cone of the explosion will not have any impact on us until it reaches Earth, and we do not know any information about the explosion.

Only when the cone of light reaches the earth can we see the explosion.

This is the "law of causality" in classical physics.

In other words, when one event triggers another, it is limited by the speed of light.

So, what's the difference between time and space?

In space, we can move in any direction without any bondage.

In time, continuous cones of light force us to move from the past to the future and never turn back.

In the theory of relativity, time is the direction of the light cone.

And space is a collection of any other direction perpendicular to time. Their structures are straight in regions of the universe where there is no gravitational influence.

Time and space will form a symmetrical linear grid, and all light cones will be in the same direction.

When an apple falls down by the earth's gravity, its gravity affects not only the object itself, but also the direction of the light cone, so the light cone bends around a massive planet.

In other words, time also bends toward the center of the planet.

The reason why Apple fell is that its future points to Earth.

Mass distorts the geometry of space-time and makes time and space relative. This is Einstein's general theory of relativity.

The greater the mass of an object, the more space-time it bends. If it is an object with infinite gravity, then the bending of space-time will also become infinite, and all the light cones will be completely downward.

If we light a candle here, all the cones of light will fall into the center of the object, which is what we call a black hole.

As the quasar with the greatest gravity in the universe, the curvature of space-time pushes all objects to the center.

If we think of a black hole as a two-dimensional slice and form a cylinder in space-time.

Its boundary is the event horizon. Outside the event horizon, some of the light can escape, while within the event horizon, all light cannot escape.

In a black hole, the light cone causes the path of any object to go down, and time itself points to the center of the black hole.

To understand the true meaning of a black hole, we need to consider two different perspectives.

For example, the perspective of an astronaut who is about to fall into a black hole, and the other is the perspective of an observer from a distance.

For an observer who is far from the gravity of a black hole, the grid of space-time around him is flat, and his time follows a straight line from the past to the future. The black hole he saw was also stationary.

As far as the astronaut who fell from the black hole is concerned, as he gets closer and closer to the event horizon of the black hole, time and space become more and more curved. When he reached the interface event horizon, time and space tilted 45 degrees.

At this time, for him, time is not a horizontal line from the past to the future, but a diagonal line rising at an angle of 45 degrees. It's like the surface of a light cone. This explains why it is impossible for an object to escape through the event horizon.

When the astronauts cross the event horizon, compared with the outside, the concepts of time and space seem to be interchanged. Time now points down, and before that it was in the direction of passing through space.

A black hole is no longer a place, but a moment of the past.

The center of the black hole is no longer a point, but an event in the future, an inescapable fate. The future of all matter in the event horizon is in this direction.

When a massive star collapses, it gives off one last flash. This is the last bubble that cannot be expanded.

But in space-time bent by stars, from the outside, the bubble seems to become stationary, thus forming a black hole. It can also be said that it is a light cone fixed by the curvature of space-time.

If the twisted space-time is straightened and the direction of time flows from left to right, we can clearly see that the event horizon of the black hole forms a light cone, so after passing through the event horizon, it can only fall to the center of the black hole.

Because that's the future of events.

If we compress the image, we will get a "Penrose diagram". The exterior and interior of the black hole form two different regions.

Once we cross the horizon, the rest of the universe becomes our past, and we can never go back.

So the truth is? Within the cone of light is fate, it is destiny, and it cannot be changed.

Outside the light cone, we can't get any information, we don't know anything.

Therefore, when Luo Ji had that conversation with Ye Wenjie in front of Yang Dong's tomb, he was destined to be chosen to face the wall and become the sword holder of all mankind.

However, the majority of netizens found "Huadian"-the up host who sends the same video every few days, and now he has posted the video all over the network, with at least 37 netizens counting.

A video was sent from summer to winter.

So, why would he do that?

Netizens reasonably suspect that he is currently trapped in the horizon of a black hole and is constantly asking for help from the outside world.

The videos we saw were precisely the distress signals he sent out.

As of press time, the up owner is still posting videos.

Let's wish him luck.

Reference:

Https://www.bilibili.com/video/BV1ZP4y197mC/?spm_id_from=333.337.search-card.all.click&vd_source=bbe229c46da2b87de5f774f69cfaf6f8

This article comes from the official account of Wechat: Xin Zhiyuan (ID:AI_era), editor: Aeneas

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