Yan Fei thought for a moment, then said, "Currently, scientists on Earth generally believe that the universe was formed from a point of infinite mass and infinitely small size that suddenly exploded, which is the famous Big Bang Theory. But up until now, there has been no explanation from Earth scientists about how this point came to be, why it exploded, and why such enormous cosmic matter and cosmic energy were produced post-explosion."

Previously, Yan Fei inherited fragmented memory from the Cosmic Human Soul Entity, but these fragmented memories were sporadic and broken, and Yan Fei did not actually obtain any useful information from them. However, within these fragmented memories, Yan Fei discovered that Cosmic Humans and Earth humans share a basic consensus on the universe's birth; they also believe that the universe was generated by a massive explosion. Therefore, when Yang Qi questioned him, Yan Fei presented this Big Bang Theory.

Yang Qi stared at the void before him, as if there was something unique within it. After a while, Yang Qi then said, "I've also researched the Big Bang Theory proposed by Earth scientists, and combined with supercomputer calculations and the technology extrapolation system, I've obtained some definitive proofs that can confirm the universe was truly born from a massive explosion, originating from a mysterious point of infinite mass and infinitely small size."

Yan Fei said, "Can you explain the specific situation to me?"

Yang Qi said, "The content involved here is extremely profound, with numerous points of knowledge that even among the many scientists on Dream Island, only I can fully comprehend. Even if I explain in detail, you would not understand, so my explanation is essentially useless to you. However, I've conducted further technology analysis and arrived at a conjecture about a cosmological model, and I can use an alternative method to try and explain it to you, hoping to make my words more comprehensible."

Yan Fei felt a bit helpless. He may know a lot, but he is not a professional scientist; since even the scientists on Dream Island cannot understand Yang Qi's theory, naturally he cannot as well. Fortunately, Yang Qi plans to use a different method, leaving Yan Fei with some chance of understanding.

Yang Qi said, "Our universe is vast and boundless, and no one knows where its border lies. We live within this universe and appear incredibly insignificant in comparison; to entirely understand this universe from such a tiny perspective, is simply impossible. But what we humans are never short of is imagination, and with imagination, we can actually comprehend the general form of the universe."

"Imagine for a moment, viewing our universe as a human body, but different from our usual understanding of a human body, this cosmic human body is extraordinarily immense. All observable substances in the universe, including various times and spaces, stars, star bodies, energy, and even us life forms, are tiny particles constituting this cosmic human body. If the Solar System that our Earth is part of is in a small area on the back of this cosmic human body, then due to its position, we can never see the front of the cosmic human body, nor can we know what it looks like. For us life forms, the appearance of the cosmic human body holds no significance."

From Yang Qi's words, Yan Fei immediately thought of the tale of the blind men touching the elephant. Because the blind men stood in different positions, coupled with the enormity of the elephant, each person who touched a different part of the elephant insisted their judgment of the elephant's shape was correct while others were wrong. If things really are as Yang Qi described, then all life forms, including Earth humans, could not know what this cosmic human body truly looks like.

Yang Qi continued, "We all know the growth of a human body initially begins from a tiny fertilized egg. You can imagine the mysterious point in the Big Bang Theory as a fertilized egg about to start growing and developing. This fertilized egg, though minute, contains all genetic information of life, and it is the source of our cosmic human body."

"The fertilized egg implants within the mother's body, and upon receiving the mother's nutritional input, begins to grow and develop, starting from a single cell dividing into two, then two turning into four, and four into eight. Until the fertilized egg has divided countless times, with cells numbering in the billions, finally forming a complete human body. Compared to the previously tiny fertilized egg, this human body's size expands by billions."

"If someone were observing outside this cosmic human body, they'd note the fertilized egg's gestation process within the mother's body is very rapid, transforming the egg into a baby in just ten months, and after childbirth, eventually growing into adulthood, spending decades in this world, then dying. However, within this cosmic human body each cell may be an enormous star system, where countless organisms live. To these organisms, everything differs from what an outside observer sees; to these microscopic organisms, the existence time of this cosmic human body is counted in billions of years."

"To the microscopic organisms, they might observe the fertilized egg splitting rapidly, continuously forming various substances, as if an intense explosion has occurred. Shortly after the explosion, this cosmic human body begins to form, creating countless spaces, times, cosmic matters, and cosmic rules within, merging to become an independent universe..."

Yan Fei pondered over Yang Qi's fertilized egg version of the Big Bang and found his mind hitting an unprecedented comprehensional shock. But Yang Qi clearly explained the birth process of this cosmic human body, leaving Yan Fei with no grounds for refutation, compelling him to follow Yang Qi's train of thought.

Yang Qi continued with his cosmic conjecture: "The so-called universe expansion refers to the cosmic human body continuously growing and developing after birth. It might only be 60 centimeters tall when born from the mother body, but as time progresses, it can grow to 180 centimeters. From the perspective of microscopic organisms, they would find the universe expanding outward at a rapid pace because they observe the universe's edge growing larger and larger; these organisms can detect the universe's outward expansion but can't understand why the universe expands."

"Similar to human body growth, once the cosmic human body matures, it no longer grows but maintains its existing size, where organisms within this cosmic body would find the universe's edge not changing, thus thinking the universe has stopped expanding. As the cosmic human body ages, its internal cells begin to deteriorate for various reasons, leading to extensive death. Within the cosmic human body, the organisms would observe gigantic star systems collapsing."

"After the cosmic human body dies, its corpse starts decomposing, causing the universe within to contract inward. Microscopically, more star systems may rapidly collapse due to energy loss. With the disappearance of numerous star bodies in this universe, cosmic rules, time, and space cease to exist. Once all cells within this cosmic human body decompose, the cosmic body vanishes, rendering everything within it non-existent."

"For those observing at a macro level, this process might only last several dozen to a few hundred years. But for microscopic organisms, this process may sustain for tens of trillions, even beyond hundreds of trillions of years."

Yang Qi elaborately explained to Yan Fei; he first likened the universe to a human body, aligning various facets of the human body with the universe's phases. By discussing from both macro and micro perspectives, he managed to elucidate the otherwise intricate cosmic life cycle succinctly, clearly, enabling Yan Fei to grasp it immediately.

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