February 12th.

The two sister spacecraft of the Chase Sun spacecraft, "Exploration and Knowledge", were completed at the new Chang'an Space Station. The Alliance for Human Innovation, with three sublight-speed spacecraft, has begun planning for a Mars base.

February 15th.

Loaded with 4,000 tons of material, the Sun-to-Day and Exploration missions traveled 170 million kilometers to the Mars geosynchronous orbit space station.

"The Mars space station, this is the Richi-Zee spacecraft, requesting to dock."

"The Mars space station received and allowed to enter the port and berth, and the berthing area is the 10-line berthing area."

"Roger."

At this time, the Mars synchronous orbit space station has a team of 30 personnel stationed here, including 15 space station staff, 5 space force soldiers, and 10 scientific researchers.

After the docking of the spacecraft was completed, it was immediately followed by the docking of the Exploration spacecraft.

This time, the mission of landing on Mars and establishing a Mars base was led by experienced Fang Haibo and Liao Qingsong, and a total of 10 astronauts were the second team of the Space Expeditionary Force.

After the spacecraft unloads supplies and the second team of the Space Expeditionary Force, it will return to Blue Star; The Discovery spacecraft will stay on the Martian space station for the time being.

After Liao Qingsong and Fang Haibo were ready, they checked three more landing spaceships, one of which was the Qinglong-class spaceship they were on, and the other two were Xuanwu-class spaceships.

And the area where they landed this time is the Mars base built remotely by the last Sun-By-Day spacecraft, which is in the southern area of the Utopia Plain in the northern hemisphere of Mars, about 200 kilometers to the south is the Isidi Plain, and to the east is Mount Elysion.

Data detected by previous probe equipment indicate that the southern part of the Utopia Plain is dominated by aeolian and lava accumulation plains.

"Are you ready?" Liao Qingsong asked loudly to the members of the second squad of the Space Expeditionary Force.

"Ready." Everyone replied in unison.

"Okay, ready to go."

Under the leadership of Liao Qingsong and Fang Haibo, everyone entered the life-sustaining anti-load cabin of the Qinglong-class spacecraft in turn, which was obviously easier than other planets for landing on Mars.

First, the surface gravity of Mars is only about 38% of that of Blue Star, and secondly, the atmosphere of Mars is very thin, and the atmosphere of Mars is composed of 95.32% carbon dioxide, 2.7% nitrogen, 1.6% argon and 0.13% oxygen. The density of the Martian atmosphere is only about 4% of that of Blue Star, and the total mass is only about 1%, while the thickness of the atmosphere is about 128 kilometers.

The weak surface gravity and thin atmosphere are quite helpful for the landing and departure of the spacecraft, and the spacecraft from the Martian surface into outer space is estimated to consume no more than 20% of the fuel of the blue star.

However, if a mass projector could be built on Mars, the exchange of matter between the Martian ground and outer space would be very simple.

The Qinglong-class spacecraft first headed for the Martian base on the Martian Utopia Plain, due to the thin atmosphere of Mars, the airbag landing method used in the blue star is not very suitable, and the landing spacecraft will use the thrust reverser engine to land, which is similar to the way the spacecraft landed on the moon.

The spacecraft rushed into the Martian atmosphere with flames that rubbed against the atmosphere.

"50 kilometers to the surface."

"Start the thrust reverser engine."

"Thrust reverser engine starts."

The three auxiliary engines of the spacecraft suddenly spewed light blue flames, and the high-speed flying Qinglong-class spacecraft braked and slowed down, and the deceleration work was three times in a row.

The Qinglong-class spacecraft finally reached the landing site about 500 meters, and the spacecraft's buffer airbag instantly popped open, and soon the spacecraft landed successfully. Immediately afterwards, two other Xuanwu-class spacecraft also successfully landed at the landing site of the Mars base.

Liao Qingsong and others began to break away from the life-sustaining anti-load cabin and put on extravehicular spacesuits.

"Everyone, get ready to get out of the cabin, Li Xuan, you stay in the spaceship." Liao Qingsong commanded.

"Yes."

Liao Qingsong and Fang Haibo took the lead through the airtight hatch of the spacecraft and officially stepped into the Martian ground, looking at a brown-red desert terrain, the sky was much darker than the blue star, a blue ball of light hung in the air, and there were one large and one small irregular "moon".

The blue sphere of light is the sun, and the reason why the sun is blue is mainly caused by the high carbon dioxide content in the Martian atmosphere, and the irregular "moons" that are large and small are Phobos and Deimos.

However, Liao Qingsong, Fang Haibo and others did not stop to watch the scenery of Mars, but quickly entered the Mars base and came to the main control cabin of the Mars base.

"Haibo, you take someone to inspect all parts of the base first, especially the electricity, water supply, and air systems, as well as the protection and life-sustaining systems." Liao Qingsong turned his head and commanded Fang Haibo.

"Okay, leave it to me." Fang Haibo hurriedly took an astronaut to stay in the general control room, and they began to detect each system through the self-test system that comes with the Mars base.

[The power supply system is all right...... The backup power supply system is all right...... Water supply system ...... Fang Haibo looked at the feedback from the self-inspection system and found no problem.

On the other side, Liao Qingsong began to take the remaining six astronauts and began to carry the materials from the two Xuanwu-class spacecraft.

In the evening, the blue sun was already waning, and the temperature in the gravel plains near the Mars base plummeted, and although the astronauts were wearing spacesuits, the temperature could still be sensed by their sensing system.

"Attention all members, all members of the team, a sandstorm is approaching the base, please enter the safe zone."

"Repeat ......"

Liao Qingsong activated the shortwave communication system: "Everyone confirms that they are in the safe zone, please return after receiving it." ”

"Kellid received."

"Huang Zongwu received."

“……”

"Okay, stay safe." Liao Qingsong looked at the fact that all the researchers were located in the safety of the base, and he was relieved.

Soon the base's condensed matter shield was activated, a hemispherical shield completely enveloped the base, although the Martian sandstorm is a paper tiger, but the sandstorm carries the dust, which may affect the base's instruments, if it is an old-fashioned solar panel, the sandstorm is almost the same as at night, but the power supply system of the Mars base is a nuclear fusion reactor, so don't worry about the impact of the sandstorm at all.

In less than ten minutes, an overwhelming Martian sandstorm swept in.

"It's like a giant beast." Khalid said, glancing at the sandstorm.

Huang Zongwu on his side said with a smile: "In a poem, this is the feeling of black clouds crushing the city. ”

Soon the sandstorm engulfed this base, but everyone didn't worry too much about this problem, this sandstorm was equivalent to the Blue Star's level 3 ~ level 4 wind at most.

Even if the astronauts are in the sandstorm, it will not have much effect, the only problem to worry about is disorientation, the magnetic field of Mars is very weak, and the compass and the like are useless at all, so they can only rely on the satellite positioning system.

However, there are more security regulations, in which case base personnel are not allowed to operate in non-safe areas, except as a last resort.

At 19:12, the sky had completely darkened, and some of the researchers were already preparing for dinner.

Liao Qingsong and Fang Haibo reported the relevant situation to the Mars space station in the general control cabin, and the sandstorm encountered at the base today, or the information reported by the meteorological satellite, and the mutual communication with the Mars space station is very important, and they must regularly report the situation of the base to the Martian space station.

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