Luo Yuan released the space-time bubble and flew slowly in the galaxy.
Ignoring the wandering planet at the periphery, the galaxy was undoubtedly much smaller than the solar system. Four planets of different sizes were slowly rotating around the star according to their respective orbits.
Based on the distance from the star, Luo Yuan labeled the four planets as No.1, No.2, No.3 and No.4 respectively.
No.1 and No.4 were solid planets while No.2 and No.3 were gaseous planets.
Among them, the largest one was Gaseous Planet No. 3. Its diameter was comparable to that of Saturn and it had an Earthly Satellite System consisting of five satellites. With Luo Yuan's vision, he could clearly see that there was a strong wind blowing within its atmosphere and the entire world was filled with thunder and lightning.
The smallest planet was No.1. It had a diameter of about 4,000 kilometers. It was only slightly bigger than the moon and was only one-third of the size of Earth. Due to the dim light, the temperature in space was extremely low. Even though the planet's orbit was close to the star, it was still covered with a thick layer of ice. Its surface was smooth and it was difficult to see the topography.
Luo Yuan's target was the outermost planet, No.4. Earth was already the largest solid planet in the solar system. However, Luo Yuan discovered that this planet's diameter was 1.5 times bigger than Earth's. It was a giant solid planet.
From the gravitational field it emitted, it could be seen that it had a relatively large mass.
This was a rather positive sign for Luo Yuan. It meant that this planet was basically a rocky planet and it was filled with a large amount of heavy elements. To humans, this was a perfect resource planet.
In fact, the amount of heavy elements in the universe was limited and rare.
The reason for this was that the nuclear fusion of a star usually started with hydrogen or helium and ended with iron. If the internal pressure of the star was not high enough, it would stop when it reached carbon and oxygen. To finally fuse into iron, the mass of the star would need to be at least eight solar masses. Zinc was the highest possible fusion sequence.
Most of the heavy elements in the universe came from supernova explosions. When a giant star collapsed violently, it could generate a terrifyingly high temperature of hundreds of millions of degrees Celsius in the "excruciating pain" of its final death. Under the "baking" of the energy of the explosion, elements beyond iron and zinc were formed. As for the super-heavy elements such as gold, platinum, and radioactive heavy elements, they came from the collisions between neutron stars and the regurgitation of black holes.
Luo Yuan guessed that there used to be extreme celestial bodies such as neutron stars around the solar system. It was their death that caused the star to be filled with heavy elements.
…
Not long after, he arrived near the planet, and then, like a meteor, he quickly fell towards the surface of the planet.
Although the gravity of this giant planet was huge, there was no atmosphere. After all, no matter what kind of gas it was, it would solidify at such a low temperature that was close to absolute zero. However, compared to the near-vacuum space outside, this place still had a meager atmospheric concentration.
As Luo Yuan followed the gravitational pull of the planet, his speed became faster and faster. His body began to burn under the friction of the gas in the atmosphere. In the beginning, he was barely visible in the red light, but in the blink of an eye, he had turned into a ball of fire and finally, a dazzling light.
A strong wind gradually appeared on the originally dead planet. Countless air currents vaporized on the surface of the ice layer, spreading in all directions like smoke and mist.
When Luo Yuan was close to the surface of the ground, his speed had reached a quarter of the speed of light. Before he could even collide with the ice layer, the ice layer within a radius of a few hundred kilometers had already sunk inwards, forming a huge bowl shape.
Boom!
A dazzling light, as if a nuclear bomb had exploded, lit up the surface of the ground.
The ice layer that was a few kilometers thick at the center of the explosion was instantly decomposed into microscopic particles. Even though the ice layer was more than a few hundred kilometers away from the explosion, the light that was a few hundred times brighter than the surface of the sun, caused it to vaporize rapidly. Then, it was swept away by the shockwave and spread in all directions.
If one were to stand in the sky, one could clearly see that the area had been hit, forming a huge basin with a radius of a few hundred kilometers. If it was on Earth, the area was equivalent to a small part of Jiangnan Province.
The energy produced by the impact this time was incomparable to the casual attack that he had tested his strength the last time.
Luo Yuan's own mass had already reached more than 100 tons. Together with the space sphere that weighed more than 200 tons, his total mass was close to 400 tons. The impact at a quarter of the speed of light, the energy it carried was no less than the antimatter bomb that landed in the reconstruction area.
Luo Yuan quietly floated at the bottom of the pit, expressionless. Despite the impact, his body was still unharmed. The ice layer was not a material with a compression ratio of 50,000. To him, it was no different from passing through air.
At this moment, he had directly penetrated through the ice layer and went deep into the rock layer. His surroundings were still filled with dazzling light. No matter could exist in such a high temperature, everything had been decomposed into basic atoms.
"Gravity 3.5G, Magnetic Field Strength: 0.001T, 20 times that of Earth … Fe: 51.5%, C: 13%, H: 8%, O: 3%."
He quickly analyzed the surrounding environment. The planet was rich in iron. At least in this area, iron accounted for 50% of the types of elements. If it was on Earth, it would undoubtedly be a rich iron mine. Moreover, the water resources were also rich in light elements, enough to be used as fusion fuel.
He waved his hand and the water vapor that had piled up like a mountain was waved away. The next moment, his entire body shot up into the sky.
A few hundred seconds later, he had returned to space.
He took out the space orb and opened up a space tunnel. Soon, a sesame-sized mini spaceship slowly flew out of the space tunnel.
As it flew, it began to expand at a speed that was visible to the naked eye. A second ago, it was only the size of a sesame seed. In the next second, it had become the size of a round table. Ten seconds later, it had become a huge object …
…
One and a half years later.
The dead and desolate Barnard's Star gradually became noisy.
On the surface of the fourth planet, with the basin formed by Luo Yuan's impact as the center, there was a huge mining and metallurgy base. It was like a steel forest that covered the entire basin. It even spread out to the periphery for hundreds of kilometers. Tens of thousands of huge mechanical arms were filled with endless power. They continuously penetrated into the ground and absorbed the rich minerals underground.
On the planet's synchronous orbit, there was a huge metal Space City that occupied an area of tens of thousands of square kilometers. It was in full swing and unusually busy.
A large number of mining spaceships were like busy ants, shuttling back and forth between the Space City and the planet. They transported all kinds of crude elements, which were then further processed and smelted to be made into various mechanical equipment.
Due to the limited resources, the productivity that had been suppressed for a long time was simply terrifying once it exploded.
With the large amount of technology that was stored in the virtual world, it was rapidly transformed into real results. In the past one and a half years, there were already tens of thousands of factories built here. Moreover, they were still being built and expanded.
In one of the huge factories that occupied an area of thousands of square kilometers, there were two huge gantries that stood tall on the orbit like mountains. The construction of a new type of spaceship had officially begun.
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