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After completing passenger transport, the mission of "Arc Eagle Nine" has ended and it has begun to return to Earth. Ren Hong and eight astronauts or scientists including Li Xingfeng entered the interior of Xinggang.

The live broadcast ended here. Three hours later, an even more shocking scene appeared. Unfortunately, ordinary people couldn't see it.

In the middle and lower parts of the "Tiangong Ring Orbit Star Port" with "Yu" shape, two huge trusses carry a large number of space capsules or inflatable space capsules and other materials tied to the truss. They are now separated from the Ring Orbit Star Port. The total length of the two trusses exceeds 800 meters. If they extend the maximum length, they will exceed kilometers, which is more than twice the length of a large aircraft carrier. Many of them are tied to the truss like contracted airbags, and they are like suction cups on the limbs of the octopus. The "suction cups" are wrapped with supplies, which are "beam inflatable space capsules". At this moment, they are in a contraction state and have no gas injected, because it is not the time.

On a third of the truss, two spacecraft are fixed to form a diameter of 145 meters long and are slowly rotating. The two spacecraft are similar to the flat-style contours of matrix shapes. The two spacecraft are important vehicles for landing on Mars. Such alien contours are designed according to the thin atmosphere and gravity of Mars. Landing on Mars must be a hard landing. At this moment, the two spacecraft are fixed on the main truss by two 30 meters long slender alloy brackets respectively. The resistance in space can be ignored. The alloy bracket looks very slender and long, but the two vehicles that are landing on Mars are extremely firm.

The end of the truss is a centrifugal capsule, which has not been started at this moment. In addition, the central part of the truss is a core capsule. Currently, 11 astronauts or scientists including Ren Hong are already located in the core capsule. In addition to Ren Hong and Xiao Kerui, several top astronauts, including Ning Zebo and Li Xingfeng, are also among them.

They are all one of the 11 people going to Mars.

That's right, this truss object that is nearly 400 meters long is the "Flower". Although it now looks like a straight bachelor, with all kinds of materials tied to the trusses, it will undergo earth-shaking changes when it reaches the orbit of Mars, like a Transformer, it will turn into an extremely complex space station. The "beam inflatable space capsule" "packed" on the truss will be inflatable, making this "bachelor" extremely full.

At this moment, the "Flower" seems to be a straight bachelor more than 400 meters long, while another artificial celestial body composed of huge and large trusses has the shape of a "t" shape, and it also has its own name "Mars Express".

Ren Hong and others and their "Flower Fire" want to arrive at Mars, they cannot do without the "Mars Express". They act like the towed locomotive and act as the core source of transportation power.

When the two trusses separated from the ring-orbit Star Port, they began to change the orbit simultaneously, and the distance between them became larger and larger. At this time, the two trusses began to rendezvous and dock, and finally merged into one.

If outsiders saw it, they would definitely not understand it. After the two trusses were combined into one, the tail of the Firefly was just a centrifugal chamber, and the middle part did not have an oversized diameter engine nozzle like the Noah.

Only when there are several small engine nozzles at both ends of the flanks, where is the main engine? Those small engines can be seen by looking at the caliber that they cannot bear much thrust. It is estimated that they are just to regulate the space station to maintain stable orbital operation over Mars. It is impossible to send Firefly and Mars Express to Mars.

Since "Mars Express" acts as a locomotive, it is naturally necessary to take "Flower" to Mars, but there is no main engine propulsion nozzle on this artificial aircraft, which is really incredible.

The secret is the "one" shape at the beginning of the "t" shape of the "Mars Express", which is 260 meters long and 108 meters wide. It is a leaf-shaped space light sail made of alloy brackets. However, this area is only so large after shrinking. When it is fully relaxed, it will present a giant light sail with a larger leaf-shaped shape.

Three hours later, the centrifugal capsule that created gravity officially started operation, and Ning Zebo became the main driver of the "Mars Express". Three and a half hours later, the "Mars Express" took the "Flower" space station for the first acceleration and officially left the Earth's orbit.

At this moment, Mars is almost the farthest distance from the current Earth. At this moment, the American "Noah" is about to arrive at Mars. It has been more than seven months since they set off. As for the current distance between Earth and Mars, it is estimated that it will take 850 days to arrive from Earth at Noah's speed. A one-way journey is only nearly three years away.

But the fact is that Ren Hong and the others did choose to start at this time period, not only choose to start at this time point, but also complete the goal of sailing more than 370 million kilometers within one hundred days and reaching Mars.

What is the current propulsion speed of human rockets? The speed is about 50,000 kilometers per hour, and completing the target of 370 million kilometers within 100 days is a fantasy to outsiders and it is impossible to complete the task. It takes more than 20 minutes to travel through such a distance at the speed of light.

Of course, this is only to outsiders' eyes, just for rocket propulsion, and the "Mars Express" is not propulsion with rockets.

At 4 hours and 37 minutes, the giant sail of the Mars Express, far away from the Earth, officially unfolded in space. This "leaf" gradually stretched from the longest length of less than 300 meters, and finally reached an incredible length of 16.8 kilometers. Such an exaggerated length of giant light sails still have three layers, each layer of light sail is only 48 meters away, and it looks like a layer from a distance.

When the giant light sail of the Mars Express unfolds, it is like a small boat in the universe. At this time, thousands of lasers surrounding the truss in the center of the Mars Express truss began to operate, and the aircraft contains high-energy purple crystals to provide stable energy output to these 100 lasers.

In the field of laser technology, China has long been out of the American streets, and it has been interpreted here again. The Mingfu Base has been studying laser technology, and Bai Hua is also studying it. Although the "Justice Boy" has not been able to create the light laser attack weapon in science fiction war movies, conventional lasers have been used here.

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Chapter completed!