Ban Donglin was stunned.
What did he mean?
He rubbed his eyes and looked at the show carefully.
As expected.
As Sun Zhiqing said, it was a science program.
However…
He was already at this level in the professional field, and he still needed to watch a popular science program?
Moreover…
This program had said that it wanted to calculate the existence of extraterrestrial civilizations?
The first thing he felt was that his old friend was teasing him.
He only saw Sun Zhiqing sitting on the sofa after the TV broadcast and listening very seriously.
He frowned.
He decided to be patient and see what Sun Zhiqing was up to.
On the television, Qin Mu quickly started calculating.
" First, let's calculate the probability of the existence of an alien civilization in this vast universe.”
" The known radius of the universe is about 46.5 billion light years, and the diameter is 93 billion light years. However…"
There was a pause.
Qin Mu turned around and wrote down this number on the blackboard behind him.
" 93 billion light years is only the radius that we can observe at the moment. In fact, the universe is far larger than that.”
"In the vast universe, just from the Milky Way alone, there are about 100 billion to 400 billion stars and a large number of star clusters and nebulae.”
" To make a conservative and rigorous estimate, let's take the smallest of these numbers and calculate it at 100 billion stars.”
"Excluding those star systems that are closer to the center of the Milky Way, the other stars have at least three planets orbiting around them. Our solar system has eight.”
"To be conservative, let's continue to take three planets. The number of planets in the Milky Way is about 300 billion.”
"Next, we'll calculate the proportion of habitable planets. The habitable zone must be somewhere not too far away from the main star because it needs sufficient light and water. This ratio is about 1% to 10%.”
"We'll also take the minimum value, 1%. The habitable planets are about 3 billion.”
Every time Qin Mu read out a number, he would write down the minimum value on the blackboard.
This was the most conservative and prudent calculation method.
He could calculate the minimum probability of an alien civilization appearing in the universe.
"Of course, after becoming a habitable planet, it may not be able to form a life planet. Venus, Earth, and Jupiter in the solar system are all habitable planets, but only Earth has given birth to life.”
" Next, let's calculate the probability of life being born on a habitable planet. According to our statistics, out of a thousand habitable planets, only five have the chance to give birth to life and single-celled organisms.”
"We take the value of 0.5% and calculate that there are about 15 million planets with intelligent life.”
Qin Mu turned around and wrote the ratio of 0.5% on the blackboard.
"After life is born, it will take a long time to evolve. The modern international consensus is that after intelligent life is born, it will inevitably embark on the path of science and technology. This possibility is as high as 90%.”
"We take 90% of the value and continue to calculate. We get 13.5 million.”
At this point.
Qin Mu looked at the camera again and concluded,""Just in the Milky Way alone, there are 13.5 million planets that can develop technology, and it will take an even longer time for technological civilizations to develop beyond the planets and into the universe.”
"Earth has a history of 4.6 billion years. If we take 10 billion years as the calculation, among the 13.5 million planets, at least 10% of them have a lifespan of more than 10 billion years.”
"In other words, in the Milky Way, the number of civilizations that can leave their own planet is about 1.35 million!”
On the blackboard, Qin Mu wrote down this number.
In front of the television, the audience in the live broadcast room was dumbfounded.
This series of hardcore algorithms opened their eyes once again.
Moreover, each value was based on the smallest probability.
But…
He still calculated 1.35 million alien civilizations!
In other words, the probability of an alien civilization existing in this world was 100%!
……
In the research institute.
Ban Donglin couldn't sit still anymore when he saw Qin Mu write down 1.35 million on the blackboard.
He suddenly stood up and looked at Sun Zhiqing beside him.
These algorithms…
There was nothing wrong with it.
He could calculate the possibility of the existence of an alien civilization very clearly.
And it was the most conservative estimate.
However, a person who could master this kind of computational ability was definitely a top-notch talent. It was impossible for him to be a host of a folk science program!
Even he was instantly convinced by Qin Mu's scientific calculations.
Because he couldn't find any loopholes.
"Old Sun, we've known each other for decades. Why did you come looking for me so late at night?”
He took a deep breath.
Ban Donglin's expression was solemn as he looked at Sun Zhiqing who was sitting on the sofa.
In reality.
The existence of extraterrestrials was now internationally recognized as highly likely.
But what puzzled them was that no matter how they searched, they could not find any traces of aliens!
It was as if…
Everything seemed to have been erased.
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