Somewhere in the void of the solar system, a huge planet is in constant motion around the sun as in the past, but unlike most of the planets in the solar system, the direction of this planet's autobiography turns out to be from east to west. , in contrast to the earth, on Mars, the sun rises in the west and sets in the east.

Mars is slowly advancing along its own orbit, and the spacecraft "Kuafu" is getting closer and closer to Mars. When it is about 2 days away from Mars, the spacecraft begins to decelerate continuously so that it can be caught by Mars when it arrives. Gravitational capture.

"Drip~~"

Although there is still a day's journey to Mars, the scientists on the spacecraft have begun to work fully, all instruments are turned on, and all the data about Mars will be obtained soon.

When they were on Earth, scientists could measure distant celestial bodies based on astronomical telescopes and other instruments, and the data was very accurate. Now that scientists are so close to Mars, there is naturally no problem at all, and there is no problem at all. More accurate data can be obtained.

Mars, the mass is 6.4219×1023kg, which is about 1/10 of the earth and 9 times that of the moon (this place can reflect the importance of the moon to human beings, the nearest planet to you is only 9 times heavier than the moon), The diameter is half the size of the earth, the volume is only 15% of the earth, and the surface area is only the size of the earth's land area, about 150 million square kilometers.

The surface gravity is about 2.5 times that of the moon and 2/5 of that of the earth, which means that ants weighing 2 pounds can be lifted on the earth, and objects weighing 5 pounds can be lifted on Mars.

The autobiography period is 24.6229 hours, and the autobiography of the earth is 23 hours, 56 minutes and 3 seconds, which means that a day on Mars is more than half an hour in 24 hours; the revolution period is 687 days, and the revolution period of the earth is 365.24219 days, which means one year on Mars The time is 687 days, the Earth people are about to spend 2 years, and the Martian talents are just over a year.

Compared to Earth, which has only one younger brother, the Moon, Mars has 2 satellites, Phobos and Deimos. However, the quality of the younger brother is not at the same level. Many satellites of Mars can only be regarded as large meteorites. They are still very irregular, not even a ball, really not even a ball, the mass of the two satellites is not enough to form enough gravity to shape their own image, and it is not at the same level as our moon. .

Mars' orbit is elliptical, so where the sun is shining, the temperature difference between perihelion and aphelion is nearly 160 degrees Celsius, which has a huge impact on Mars' climate.

The average temperature on Mars is about minus 63 degrees, but there is a huge temperature difference from minus 133 degrees in winter to nearly 27 degrees in summer daytime. That is to say, most of the time here is colder than the north and south poles, which are the coldest on the earth. The coldest time is even minus 133 degrees, and the hottest time is only 27 degrees. The temperature difference changes greatly. Frozen, let alone humans, it's too cold here, let's go back to Earth.

The atmospheric density of Mars is only about 1% of that of Earth. It is very dry and low in temperature. The average surface temperature is minus 55°C. Water and carbon dioxide are easy to freeze. The main components of the atmosphere are carbon dioxide (95.3%) plus nitrogen (2.7%), argon It consists of gas (1.6%) and trace amounts of oxygen (0.15%) and water vapor (0.03%).

The earth's atmosphere is mainly composed of nitrogen, accounting for 78.1%; oxygen, 20.9%; argon, 0.93%; and a small amount of carbon dioxide and rare gases (helium, neon, argon, krypton, xenon, radon) and water vapor.

In comparison, we found that the content of carbon dioxide in the atmosphere of Mars is too high, and the oxygen content is almost negligible. The rare gas is not much different, and it is not suitable for the survival of earth people at all. The atmosphere is small and the oxygen content is too low!

...

As it gets closer to Mars, the data scientists get are constantly being revised.

The red Mars is slowly enlarged. Because of the thin atmosphere, the surface of Mars can be clearly observed from the space of Mars, and the entire planet is yellow-red.

Mars is basically a desert planet, with sand dunes and gravel all over the surface. The geological activities on Mars are relatively inactive. Most of the surface landforms were formed in ancient times when they were more active. There are dense craters, volcanoes and canyons, including the highest mountain in the solar system— Mount Olympus and the largest canyon - Mariner Canyon.

Another unique topographic feature is the stark difference between the northern and southern hemispheres, with ancient, crater-filled highlands in the south and younger plains in the north.

"Could the oxygen on Mars be all oxidized with iron to produce iron oxide?"

In the Kuafu spacecraft, Li Jingxuan carefully observed Mars. Through the telescope, he could clearly see the bits and pieces on Mars. It was covered with gravel, indicating yellow-red gravel, sand, soil, etc. These things, just look at them. I know it's an oxide.

"This possibility cannot be ruled out. The temperature difference on Mars is too large. When the temperature is high, the chemical reaction is more violent. Coupled with the erosion of long years, not only oxygen, but other gases may be hidden. ."

"Look, the north and south poles of Mars are almost exactly the same as the ice layers at the north and south poles of our earth, but in terms of fundamental components, the ice layers at the north and south poles of Mars are not only composed of water, but also a large amount of dry ice."

Liu Daoming nodded. The mission of the two this time was to find extraterrestrial life, and by the way, it was also to investigate whether Mars could become a second home for mankind.

"The water content is too small. Most of it is dry ice. This dry ice is carbon dioxide. There may be some liquid water at the bottom of the ice layer. I don't know if there will be primitive life in it."

Li Jingxuan nodded and said after thinking about it.

"The temperature of the bottom layer is relatively high and stable, and it is very likely that primitive life will be born."

"But our principal said that we want to transform Mars into a planet suitable for human habitation. I think this is a bit of a fantasy."

"There is too little water on Mars, the atmosphere is too thin, and the temperature difference is too great. For us humans, even with the assistance of technology, it is difficult for us to survive in such a world, and the cost of transformation is too high. ."

Liu Daoming couldn't help shaking his head when he remembered what the principal explained.

"This may not be the case. There is no water on Mars, and the atmosphere is very thin, but in the solar system, there are many places with water."

"Our spacecraft went to the asteroid belt several times to mine asteroids, and found some of the massive asteroids to contain a lot of water, and Jupiter's moon Europa is estimated to contain more water than Earth's water. "

"If we can drag Europa to the fire system, we can solve the problem of water, and then find some gaseous asteroids and drag these asteroids to Mars to solve the problem of the Martian atmosphere."

"As long as there is a lot of water on Mars and a thick atmosphere, its temperature can become more stable. As for other things, it will be easy to solve."

Li Jingxuan said with a smile.

"You're right, anything is possible."

Liu Daoming nodded solemnly and said.

The speed of the Kuafu spacecraft was getting slower and slower. When it approached Mars, it was captured by the huge gravity of Mars very smoothly, and it began to move around Mars continuously, temporarily becoming a satellite of Mars.

"Launch unmanned landing anti-gravity spacecraft~"

"Send unmanned probe~"

"Launch Mars Global Communication and Positioning Satellite~"

The captain of the Kuafu, Wu Renjie, issued orders one after another.

Soon, from the huge Kuafu spacecraft, small anti-gravity aircraft swooped down directly from space towards Mars, like birds homing to their nests.

At the same time, on the Kuafu spacecraft, satellites have been continuously released, and various probes have been sown on Mars at no cost.

Here at the Earth Galaxy Science Research Institute, Qin Yi and many scientists also received news that the Kuafu spacecraft has arrived on Mars, and the scientific expedition work on Mars is about to start, so even though it is two in the morning at this time. At this point, Qin Yi, like many scientists, came to the institute without the slightest drowsiness at all.

"We humans will soon take a historic step and set our footsteps on the second planet."

Lu Qingwei, Liu Peiqiang, Wang Songling, Qiu Feng and many other scientists from the Galaxy Science Research Institute also came over. For such a major event, everyone does not want to miss it.

At this time, Lu Qingwei looked very excited. Looking at the pictures sent back by the Kuafu spacecraft, the red-hot Mars seemed to have a magical power, which made people fascinated by it.

"Wow, isn't the hurricane on Mars too powerful?"

Soon, Lu Qingwei couldn't help but shout out in surprise.

I saw that in the picture sent back from Mars, on the surface of Mars, a terrifying hurricane was raging at a terrifying speed. Wherever it passed, sand and flying stones were scattered, and the sky was covered with sand and dust. A situation similar to that of a typhoon on Earth was formed.

"The wind exceeds level 21~"

Liu Peiqiang was also dumbfounded. The most typhoons and hurricanes on the earth are at most magnitude 17, and the wind speed is already more than 300 kilometers per hour, but the hurricane on Mars is more than magnitude 21, which is beyond imagination.

"Inform Wu Renjie to pay attention to safety when landing on Mars, especially this Martian hurricane."

Looking at the hurricane on Mars, Qin Yi couldn't help but look worried, and after thinking about it, he also ordered.

Such a terrible hurricane has not yet grasped the law of its appearance. Once Mars landed, it would be quite dangerous. I remember that there was such a plot in a science fiction movie before.

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