Explain the timeline.

You can understand it as a junction appearing on a straight road, at an angle of approximately forty-five degrees. This junction will lead you away from the original timeline, taking you further and further away.

Then the timeline appeared, and the time machine evolved

Furthermore, this may increase or decrease due to changes in the timeline

Another theory is the timeline divergence theory

History possesses immense restorative qualities; perhaps, after departing from the original timeline, it may eventually realign. However, it is also possible to reach a state akin to gravitational equilibrium after a certain distance, much like the Moon orbiting the Earth

In the first phase, at a ratio of one to two, the protagonist will return to the modern era only once every eight days in the Tang Dynasty, with the time consumed being four hours each time

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When the protagonist alters history, they enter a new crossroads, at which point a time discrepancy arises

Regarding the issue of age, let me keep it a secret, as it pertains to a future major pitfall, one that is enticing enough to lead everyone to search on Baidu hundreds of times, hahaha

Because the protagonist traveled back to the year 626, altering the historical records and cartography of that year.

Four days, originating from a science fiction novel from the 1980s in Europe, is, of course, a novel that lacks scientific validity, so there is no need to study it further; let it be regarded as my own design as the author

Next, two different theories will emerge. One is the theory of parallel transformation, which suggests that changes will occur in the future

I really want to draw a picture, but unfortunately, I don't know how to place it here

First and foremost, it should be stated that treating this book as a novel is essential; true science cannot explain the miraculous phenomenon of time travel.

Time is forcibly compensated, just consider it as saving up several opportunities for back and forth; this understanding makes it much simpler

To illustrate, the five thousand years of history can be likened to a straight road, where this road represents the timeline.

Similarly, in modern times, it also takes four days to return to the Tang Dynasty, and the time spent in the Tang Dynasty is also four hours

The protagonist must return to the modern era after four days in the Tang Dynasty, and the time spent in the modern era is four hours. Of course, there may have been instances in certain chapters where there were errors in time calculation

The timeline I mentioned is based on the theories of time travel in classic American films from the 1980s

At this moment, there are two distinct timelines, each leading to a different future

Let us discuss the issue of four days again

Four days is a relative value

This is the theory of axes

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