Three professional spacecraft testers are operating the Deep Space spacecraft through brainwave sensing control methods in the anti-load survival chamber.

Captain Ren Yingwu and two team members Li Wei and Park Quandao conducted the last routine self-inspection of the system.

[Fuel tank is normal.] ］

[Communication system is normal.] ］

[The detection system is normal.] ］

［…… ］

The overwhelming stream of big data was rapidly refreshed on the virtual display screen in front of the three of them.

[Confirmed, the ship's systems are in order.] ］

Ren Yingwu opened the star map of the solar system, and the sun, the eight planets, the asteroid belts, and the Cooper belt were all on the star map.

All natural celestial bodies use blue as the base color, while the new humans' own artificial celestial bodies use yellow as the base color, and the non-natural bodies use red as the base color.

On the star map of the solar system, blue and yellow markers appear, and the only red marker is the Nemesis wormhole.

With the assistance of the spacecraft's supercomputer, artificial intelligence began to plan the spacecraft's flight course, and the test course was quickly planned.

Considering that the space on the solar ecliptic plane is relatively crowded, not only are there many celestial bodies, but also the spacecraft of the new human beings themselves are densely covered with the solar ecliptic plane.

Therefore, the route obliquely ascends from the summer region of the asteroid belt, first flying upwards for 10 million kilometers, and then turning parallel to the solar ecliptic to face the outer circle of the solar system.

Ren Yingwu commanded through brainwave communication: [Direction 2569/8071/2517, power 5%, go.] ］

[Roger.] ］

The spacecraft's fuel distribution system accelerates anti-hydrogen atoms and hydrogen atoms into antimatter annihilation furnaces, which each photonic engine has 10 inside it.

Each antimatter annihilation furnace passes 10% of the engine's power, and only two antimatter annihilation furnaces are activated, and only a quarter of the power is used.

The positive and negative atoms ejected at high speed attract and annihilate each other in the annihilation furnace, and a torrent of photons, which is hundreds of times stronger than nuclear fusion, gushes out and directly hits the action plate of the engine's general action chamber.

Acting plates and passivation grids composed of degenerate materials reflect the torrent of photons and neutrinos towards the engine vent.

Photons and neutrinos act on the action plate, creating a huge interaction force that propels the spacecraft forward and fast.

Despite the anti-Dutch life support warehouse, Ren Yingwu and the three of them still felt a slight sense of oppression, mainly because the acceleration was too violent.

The speed and acceleration time of the virtual display in front of you are rising.

[13 km/s...... 3 seconds]

[120 km/s...... 11 seconds]

[567 km...... ］

The final speed stays around 1170 km/s.

After entering the uniform flight, the interior of the spacecraft will not be affected by acceleration, and the engine will gradually reduce the antimatter injection, and enter a constant inertial flight state.

After flying at this speed for two hours, Deep Space has already flown more than eight million kilometers.

[Enter the turning channel.] Ren Yingwu commanded.

[Roger.] ］

The ship's engines went into vector control and began to adjust the direction of flight.

When the spacecraft reaches the corner of 10 million kilometers, the spacecraft is already flying parallel to the ecliptic plane of the sun.

It was an empty passage, with no dense celestial bodies and spaceships passing by, and Deep Space could sail through the void with impunity.

[Range 2673/0267/2411, target Cooper Belt - NM36 satellite city, full speed ahead.] ］

[Roger.] ］

The three photon engines of Deep Space gradually increased their power, and the brutal flow of photons and neutrinos pushed Deep Space to sprint forward.

The speed on the virtual display is beating frantically at 2760...... 5027…… 8391……

[Alert!] Encounter a cloud of free particles...... ］

If anyone could see the Deep Space, they would see that the first half of the Deep Space was suffering a terrible impact, and countless free particles in the void sparked off the surface of the Deep Sky.

Ren Yingwu looked calm, this is expected, as long as the speed is fast enough, it will react when it hits an atom.

When the speed exceeds 18,000 kilometers per second.

[Alarm, photon pressure 0.0214...... ］

The so-called photon pressure is a kind of resistance that the spacecraft will inevitably encounter when it enters the sub-light speed flight state, which can be understood as something similar to air resistance.

The closer the speed is to the speed of light, the greater the light pressure on the front of the ship, and once the ship enters 90% of the speed of light, it is as if it is in the collision chamber all the time.

Ren Yingwu stepped on the accelerator to the end, and after 3.7 hours of continuous acceleration, the Deep Space finally reached its limit.

At this time, Deep Sky was flying at a speed of 23,400 kilometers per second, which is equivalent to 7.8% of the speed of light.

This speed is about 0.2% slower than the projected speed of light, which is 8%.

After reaching a limit speed of 23,400 kilometers per second, the spacecraft engine enters a low-power inertial flight mode.

Deep Space only needs to use a portion of its power, which is used to counteract free particles and light pressure.

Of course, this flight speed can actually be increased, but if it continues to accelerate, it will cause the spacecraft to lose the fuel for braking and returning, and become a lonely ship drifting in the starry sky forever.

Twenty-four hours later, Deep Space has advanced 2 billion kilometers, less than 15.7 billion kilometers from the NM36 satellite city, and will reach the NM36 satellite in about 8 days.

Compared with the previous flight range of five or six hundred days, it took nine days to cross 17.7 billion kilometers, which is almost endless.

This speed is almost enough for use in the solar system.

……

Satellite city of New Constantinople.

The data sent back by neutrino communication made Gao Zishang excited: "It really deserves to be antimatter fuel, and it is a perfect match for photonic engines." ”

"It seems that there are no major problems with the prototype, and the next step can be improved, and the first generation of photonic engines can be launched." Yang Tiansheng said as he browsed the data.

The people of the Spaceship Research Institute also rejoiced, and the low-sublight spacecraft could finally move on to the development stage.

[Note: Low sub-light speed refers to the flight speed below the speed of light 30%, in addition to the medium sub-light speed (light speed 30%~59%), high sub-light speed (light speed 60%~89%), extreme sub-light speed (90%~99%)]

Gao Zishang looked at the data, and suddenly turned his head to the people from the Spaceship Research Institute and said, "There are some stress damage in Deep Space, look at it." ”

What the? They hurriedly browsed the data fed back by the Deep Space space, and after reading the data, Mi Wanli, the spacecraft design engineer, replied helplessly:

"The photon engine acceleration is too fast, and part of Deep Space's structure can't withstand this acceleration, and we'll improve it."

"You can use degenerate materials as a spaceship skeleton." Gao Zishang proposed.

Mi Wanli shook his head at this suggestion: "Our degenerate material processing technology is not good, if a large number of parts of degenerate material are used, it will cause the spacecraft to be overweight." ”

"That's it!" Gao Zishang frowned.

This is a very helpless reality, Nibelon can use a large number of degenerate materials as spaceship parts, that is because the other party's degenerate processing technology is better than that of new humans.

For example, the Nibelon spacecraft's shell has only one layer of N16-N-2, while the new humans need three, resulting in a weight of 3.4 times higher than the other party's in the same area.

If applied in large quantities, the death weight of the Tianzhou-class spacecraft made of ordinary materials is about 670 tons, while the degenerate materials may reach more than 10,000 tons.

Faced with this situation, the Spacecraft Research Institute can only use degenerate materials as much as possible to reduce unnecessary parts, so as not to overweight the spacecraft.

The design of the spacecraft must balance the engine power with the dead weight of the spacecraft.