Xi Tong's words fell, and the two exchanged a glance.
In each other's eyes, they saw a deep sense of dread.
According to this series of speculations, forty-six billion years had passed since the Yanhuang tribe left until now.
Even counting from the last great world-ending catastrophe, it had been a full 65 million years!
By normal logic, the Yanhuang tribe left, leaving some population on Earth.
The fact that five great biological extinctions had not wiped out humanity on Earth indicated that people had survived the previous world-ending calamities.
This meant that humans and dinosaurs lived in the same era.
And a portion of humanity survived after the dinosaurs went extinct.
65 million years!
No matter how slow technological development was, it couldn't possibly be the current situation.
After all, according to archaeological discoveries in present-day society, even the most backward Stone Age was only a mere two to three million years ago.
In the vast river of history, this was a short period, but for humanity, it was sufficiently long.
So then!
What happened between 3 million years ago and 65 million years ago?
Did the surviving human race rely on eating raw meat and drinking blood to survive?
Fang Er absolutely did not believe this.
This was unscientific!
It took humans three million years to develop from the Stone Age to the Bronze Age.
And it took four thousand years to transition from the Bronze Age to the Iron Age.
It took over a thousand years from Iron to the Steam Age.
It took less than a hundred years from the Steam Age to the Electric Age!
And the time taken to transition from the Electric Age to the Internet Age, or the Information Age, was negligible in the grand river of history.
Human intelligence and heritage were the fundamental reasons for this magnificent race to stand at the pinnacle of all species.
As for why humanity, with its own technology, had not ventured into the universe since the extinction of the dinosaurs, the deepest question now seemed to have an answer!
In the vast expanse of the universe, there were those who did not want humanity to rise!
They were doing everything in their power to prevent humanity from reaching the stars!
At this moment, the reasons behind the sudden appearance of two waves of alien forces were clear.
They were attacking and hindering Earth's development!
Xi Tong pointed downwards and asked Fang Er.
"Do you want to try and see where this hole leads?"
Fang Er pondered for a moment and then decisively shook his head.
"It's not time yet!"
"We have the spaceship, but it needs time for modification and familiarization."
"With our current strength alone, venturing there would be like offering ourselves as a meal."
However, finding a wormhole and leaving like this felt unsettling.
The reality of the situation did not allow them to investigate further.
The matter seemed to have reached a standstill.
"Got it!"
Xi Tong suddenly slapped his forehead and pointed outside.
"Ionizing radiation!"
"There is no wind in space, so the ionizing radiation will remain stable in a fixed area."
"Since we can't go there, let's surround the moon with ionizing radiation!"
As long as the intensity of the ionizing radiation was sufficient, any enemy spacecraft entering the range would be instantly paralyzed.
This situation had already been confirmed when Xi Tong detonated the nuclear bomb earlier.
"Let's do it!"
Fang Er agreed to her proposal without hesitation.
The two returned to the surface from the giant cavern and selected suitable detonation points based on the nuclear blast radius.
To prevent any undiscovered wormholes in other areas, they decided to thoroughly comb the lunar surface with nuclear bombs!
It had to be said, this plan was truly audacious!
Xi Tong returned to the spaceship, took out paper and pen, and quickly wrote down coordinates.
Detonating nuclear bombs to create ionizing radiation did not mean that nuclear bombs could be casually dropped.
They had to ensure that while the ionizing radiation enveloped the entire moon, it would not affect the moon's orbital path.
Otherwise, it would bring immense disaster to Earth!
Inside the spaceship, a holographic projection of the moon was displayed in the cabin. With each coordinate Xi Tong entered, a red dot appeared on the projection.
Meanwhile, Fang Er remained on the lunar surface, placing nuclear bombs at the corresponding coordinates.
"21854.23182"
"Received!"
"It's placed. Where's the next coordinate?"
"98744.42335"
"Received!"
Fang Er piloted the mining ship towards the specified coordinates.
This work had been ongoing for dozens of hours, with both of them toiling tirelessly.
However, when he reached this coordinate, he did not immediately place the nuclear bomb.
Because he saw something strange!
"Boom!"
A pillar of fire erupted from a place hundreds of kilometers in front of him.
The flame was a deep blue with a hint of white heat. Even from such a distance, he could feel the immense sound through the ground beneath his feet.
"What happened!"
Xi Tong's voice came through the headset. Fang Er quickly transmitted the image back to her and asked in return.
"Did you detect anything unusual from your end?"
"The moon's orbital trajectory has shifted. Based on previous data calculations, it has deviated by at least 0.003 degrees!"
0.003 degrees, this number seemed small, but for the moon, the impact was significant enough!
The distance between the Earth and the Moon was 380,000 kilometers. Even a slight deviation of one ten-thousandth in the trajectory of either body would be enough to cause them to collide or drift apart in the future!
The fact that the pillar of fire could affect the moon's trajectory was a discovery that could shock the world.
And this discovery further confirmed Xi Tong's earlier inference.
Someone had tampered with the moon!
Fang Er rushed towards the location where the pillar of fire had erupted at the fastest possible speed.
However, when he got within fifty to sixty kilometers of the fire pillar, he stopped with a helpless expression.
It was too damn hot!
Even his spacesuit showed signs of melting, forcing him to retreat a further distance.
Finding a suitable position, he looked at the pillar of fire before him, deeply awestruck.
The diameter of the fire pillar was thicker than the half osmanthus tree he had seen before.
It was at least a thousand meters wide!
But at the base of the fire pillar, he found something even more astonishing.
There were traces of artificial construction below.