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After completing the passenger transportation, the mission of "Arc Eagle 9" has ended and it has begun to return to Earth. Eight astronauts or scientists, including Ren Hong, entered Xinggang under the support of Li Xingfeng.

The live broadcast ended here, and three hours later, a more shocking picture appeared, but unfortunately, ordinary people couldn't see it.

In the middle and lower part of the "Tiangong Ring Star Harbor" in the shape of "Y", two huge trusses carry a large number of space capsules or inflatable capsules and other materials tied to the trusses. At this moment, they are in contact with the ring star. When the port is separated, the total length of the two trusses exceeds 800 meters. If the maximum extension length is more than one kilometer, it is more than twice the length of a large aircraft carrier. Many trusses are tied to the trusses like retractable airbags. Just like the suction cups on the octopus's limbs, the "suction cups" are wrapped with supplies, which is the "beam inflatable space capsule". At this moment, it is in a contracted state and no gas is injected, because it is not the time yet.

On one-third of the truss, two spaceships are fixed to form a diameter of 145 meters long. They are slowly rotating. The two spaceships are similar to the matrix-shaped flat profile. The two spaceships are landing. An important vehicle for Mars. Such an alien profile is designed based on Mars’ thin atmosphere and gravity. Landing on Mars is bound to be a hard landing. At this moment, the two spacecrafts are fixed to the main truss by two slender alloy brackets 30 meters long. The resistance in space can be ignored. The alloy brackets look very slender and very long, but they hold the two ships landing on Mars. Gu is extremely strong.

The end part of the truss is a centrifugal cabin, which has not been activated at this moment. In addition, the central part of the truss is the core cabin. At present, 11 astronauts or scientists including Ren Hong are already in the core cabin, except for Ren Hong and Xiao Kerui. Several top astronauts including Ning Zebo and Li Xingfeng were among them.

They are all one of 11 people going to Mars.

That’s right, this truss object with a length of more than 400 meters is the "Firefly". Don’t look at its current appearance as a straight bachelor, with various materials tied to the truss, and when it arrives on Mars orbit After that, there will be earth-shaking changes, just like Transformers have generally become extremely complex space stations, the "beam inflatable capsule" "packed" on the truss will all be inflated and used, making this "bachelor" become Abnormally full.

At this moment, "Firefly" seems to be a straight bachelor with a length of more than 400 meters, and another artificial celestial body formed by a huge long and large truss shows the shape of "T". It also has its own name-"Mars Express" number".

Ren Hong and others and their "Firefly" want to reach Mars, cannot do without the "Mars Express", which is like a towed locomotive, acting as the core source of transportation power.

After the two trusses were separated from the ring orbit star port, they began to change orbit simultaneously, and the distance between the two trusses became larger and larger. At this time, the two trusses began to rendezvous and dock, and finally merged into one.

If an outsider watched it, it would definitely be incomprehensible. After the two trusses were merged into one, the tail of the "Firefly" was just a centrifugal cabin, and the middle part did not have a large-diameter engine nozzle like the "Noah".

There are only a few small engine nozzles at both ends of the flanks, so where is the main engine? Those small engines, just by looking at the caliber, you can see that they can’t bear much thrust. It is estimated that they are only used to adjust the space station above Mars to maintain a smooth orbit. It is impossible to combine the "Firefly" and the "Mars Express". Number" to Mars.

Since the "Mars Express" is acting as a locomotive, it is natural to take the "Firefly" to Mars, but this man-made aircraft does not have any main engine propulsion nozzles, which is really incredible.

The secret lies in the "one" shape at the beginning of the "t" shape of the "Mars Express". It is 260 meters long and 108 meters wide at its widest point. It is a giant leaf-shaped space light made of alloy brackets. The sail, however, the area is just as big as it shrinks. When it is fully stretched, it will present a giant light sail with a larger leaf shape.

Three hours later, the centrifugal capsule that created gravity was officially put into operation, and Ning Zebo became the main driver of the "Mars Express". Three and a half hours later, the "Mars Express" took the "Firefly" space station for the first acceleration and officially departed from Earth's orbit.

At this moment, Mars is almost the furthest distance from the current Earth. At this moment, it is estimated that the American "Noah" is about to reach Mars, and it has been more than seven months since their departure. As far as the current distance between the Earth and Mars is concerned, Enoch's speed is estimated to be 850 days from Earth before reaching Mars, and a one-way journey will only take nearly three years.

But the fact is that Ren Hong did choose to start at this time. Not only did they choose to start at this time, they also had to complete their goal of sailing more than 370 million kilometers and reaching Mars in 100 days.

What is the current propulsion speed of human rockets? The speed is about 50,000 kilometers per hour, and the goal of 370 million kilometers is completed within 100 days. This is a fantasy to outsiders and an impossible task. It takes more than 20 minutes to cross this distance at the speed of light. time.

Of course, this is only in the eyes of outsiders, only in terms of rocket propulsion, and the "Mars Express" is not propelled by 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 16.8 kilometers. Length ~www.readwn.com~ There are three layers of giant light sails with such an exaggerated length. Each layer of light sail is only 48 meters apart, which looks like one layer from a distance.

When the giant light sail of the "Mars Express" unfolded, it was like a flat boat in the universe. At this time, the thousands of lasers surrounding the truss in the center of the "Mars Express" truss began to operate. The purple source crystal, which has a high amount of energy stored in the aircraft, provides stable energy output for these thousands of lasers.

In the field of laser technology, China has long left the American Eight Streets, which has been interpreted again. Hades Base has been researching laser technology, and Baihua is also researching. Although "Justice Boy" failed to create the light laser in science fiction war movies Attack weapons, but here, conventional lasers have been used.

………

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…(To be continued.)

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