Chapter 705 Hypothesis About the Asteroid Belt

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"Your guess, in fact, many people in the astronomy community have also guessed like this before."

Hearing Fang Yuan's guess, Lang Tongguang nodded and continued to explain: "At the beginning, I thought that the asteroid belt was originally formed by one or several planets, which were formed by splitting under the influence of some external factors.

"However, after calculation, it was found that the total mass of these asteroids was smaller than the moon, so it was not enough to form a planet. Later, this hypothesis was gradually not recognized by most astronomers.

"Now the astronomical community believes that the asteroid belt was formed by some rock fragments in the early days of the solar system. Because of Jupiter's overbearing gravity, they cannot be aggregated into planets.

"However, this statement is actually speculation. No one knows what the truth is. The age of the solar system is 5 billion years. In such a long time, no one knows what happened.

"If the microorganisms in this meteorite are really native to the solar system, it may give new answers."

After listening to Lang Tongguang's explanation, Fang Yuan thought about it and asked: "The total mass of the asteroid belt is so small?"

"Yes, the total mass of the asteroid belt is not as large as the mass of the moon." Lang Tongguang confirmed again.

"So, my guess is completely impossible?" Fang Yuan frowned and thought.

After thinking for a moment, Lang Tongguang replied: "It's not completely impossible. According to the current research on the asteroid belt in the astronomical community, in the early days of the formation of the solar system, the combined mass of the asteroid belt was about the same as that of the earth. In the later evolution process, gradually decreased.

"After all, the size and mass of the stars in the asteroid belt are too small, and they are easily affected by the gravitational force of other stars and are sucked past.

"Jupiter is a very domineering planet, with a volume more than a thousand times that of the Earth.

"In the solar system, except for Jupiter, the mass of all the planets such as Earth, Mars, etc. is less than half that of Jupiter.

"Everyone should know that in the solar system, the mass of the sun accounts for 99.86% of the total mass of the solar system. It is conceivable that almost all the mass of the solar system is in the sun.

"However, the existence of Jupiter makes the center of mass of the solar system not inside the sun, but is pulled outside the sun.

"Let's put it this way.

If Jupiter is more massive, it may even become a star.

"So, Jupiter's gravity is very overbearing, pulling the stars in the asteroid belt and preventing them from forming planets."

Lang Tongguang went on to explain: "However, it can also be seen from this point that the stars in the asteroid belt are easily affected by other planets due to their small mass.

"Over billions of years, asteroids will continue to be captured by other stars, and their mass will continue to decrease.

"According to research, in the early days of the formation of the solar system, the mass of the asteroid belt was about the same as that of the earth.

"Therefore, the possibility of an Earth-like planet in the orbit of the asteroid belt still exists.

"It's just that no more evidence has been found to prove this, and all speculations are just hypotheses."

Everyone discussed the evolution process of the asteroid belt.

Then, he turned his attention back to the microbes of the meteorite.

Fang Yuan pointed to the meteorite with a diameter of five meters in front of him, and asked: "Professor Lang, can you know where this meteorite came from through analysis?"

Lang Tongguang answered patiently: "Actually, before we came, we had checked the relevant information and knew the original orbit data of this meteorite. Before it approached the earth, its orbit was indeed near the asteroid belt.

"It can be confirmed that this meteorite was indeed a piece of the asteroid belt before it. However, its orbit is somewhat offset. Before entering the asteroid belt, it is hard to say whether it came from other galaxies."

When he said this, he paused, pointed to a position on the meteorite, and said, "Look here, everyone, there are signs of cracks here.

"Judging from the traces of the rupture, the meteorite was not originally so small, but was impacted and shattered into many pieces, and this is one of them.

"Perhaps the change in its orbit is also due to this impact.

"In short, based on the currently known information, it is still impossible to determine whether it comes from the solar system or other galaxies.

"If there was a choice, I'd rather it be from another galaxy."

After Lang Tongguang finished speaking, he sighed insignificantly.

"Why?" Fang Yuan asked curiously.

"If this meteorite is really native to the solar system, then your previous guess may be true. If that is the case, then the fate of the solar system is too rough." Lang Tongguang sighed.

After hearing his explanation, everyone understood what he meant.

According to Fang Yuan's guess, there used to be a terrestrial planet near the orbit of the asteroid belt.

On this terrestrial planet, there is life, even intelligent species.

However, in the end, the terrestrial planet shattered into 600,000 pieces. What terrible event caused this?

If this guess is true.

That shows that human beings are not the first civilization in the solar system. There was a civilization before human beings, but because of a terrible event, it was destroyed in the long river of history.

Now, humanity faces the same fate.

Fang Yuan took a deep breath and asked: "Professor Lang, will the collision between the earth and the star beast world explode into hundreds of thousands of pieces?"

"This... that's beyond my knowledge, and I can't give an answer." Lang Tongguang shook his head slowly.

This question is indeed beyond the scope of astronomy, and has already involved the four-dimensional field, and it is indeed beyond his ability to answer.

Fang Yuan thought of another possibility.

If there was a terrestrial planet near the orbit of the asteroid belt, and there was a civilization on it.

In the end, the terrestrial planet shattered into hundreds of thousands of pieces, as if it had collided with another planet.

If this speculation is true, what is this so-called impact?

Now the earth and the star-beast world are colliding in the fourth dimension. If they collide together, what will happen?

Eve understood Fang Yuan's meaning, frowned and said: "It should be impossible. The collision between the earth and the star beast world is so slow, and it will take twenty years to completely collide together. Such a slow speed, even if the collision Together, it won't explode, right?"

Fang Yuan shook his head and said: "That's not necessarily true, the collision between the earth and the star beast world seems to happen very slowly, but don't ignore one thing, the three-dimensional distance between the earth and the star beast world is 1000 light years.

"With such a long distance, it took decades to collide. Do you still think the collision is not intense?"

Eve was stunned when she heard this thought.

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