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And in addition to these, how to capture these asteroids is also a very challenging subject, after all, the asteroids in the asteroid belt are moving at high speed, so to capture the asteroid spacecraft must maintain synchronous flight with the asteroid before it can be captured.

And those asteroids that are relatively large, especially those with a large nature, tend to have a particularly large mass, so there are higher requirements for those spaceships that can drag asteroids.

After Explorer 2 got all kinds of data from Ceres, the other two asteroids investigated, and then they began to return to the moon, after all, it has been almost half a year before and after they came out, although half a year is just a blink of an eye for the entire universe, and now the life span of human beings is also very long, but after all, human beings are group creatures, and they have been on Earth for so long, so it has been quite a long time for the staff on the spacecraft.

At this time, both Pioneer and Explorer 1 have begun to return to the moon, and they are left with much more time than the other two groups because of the more missions and the fact that the exploration of the asteroid belt is not more dangerous than the others.

Because of the exploration satellites they launched before, they still have a very good understanding of the situation in the asteroid belt, especially for those relatively large asteroids that pose a threat to the spacecraft, so they used the computer system on the spacecraft to calculate a safe route when they returned home, and then began to accelerate and start to return to the moon.

After nearly seven months, Geng Zhongming and the others finally returned to the moon, and the other two groups of personnel had already arrived on the moon half a month ago, especially the group of people who explored Venus, because Venus was very close to the earth, so the group of people who explored Venus even returned to the moon more than ten days earlier than the Pioneer that explored Mars.

When the explorer 2 returned to the moon, it marked the completion of the human exploration of the two planets near the earth, and the asteroid was very successful, and the focus of the Ming Empire was to start discussing whether to transform Mars or Venus first, after all, there are still great differences within the Ming Empire, so we must first unify our opinions before we can start the next plan, after all, the current national strength of the Ming Empire is not capable of transforming the two planets at the same time, Therefore, there must be a sequence between the transformation of Venus and the transformation of Mars.

In the week after the explorer 2 returned to the moon, all the more famous astronomers, geologists, astrophysicists, etc. of the Ming Empire came to the moon one after another and began a whole month of discussion.

After all, the population of human beings is now increasing geometrically every year, although the third space city of the Ming Empire has begun to plan, and the construction of a new living base on the moon has also begun, but this is a palliative rather than a cure after all, and most of the materials in these two places still need to be provided by the earth, especially people's food and living materials.

However, Mother Earth's capacity has always been limited, and if it doesn't take 100 years like this, I won't be able to feed such a large number of people, even if human technology becomes more advanced in the future.

All the food and living supplies of the moon and the space city no longer need the earth to replenish, but the human population will always have the day to fill the moon and these space cities, and it will be too late to find a way.

But this can't be said to the survival of human beings, after all, if there is a material crisis such as food, then it is very likely to affect the entire human race, and then the overall development of human civilization will be seriously disturbed, and even civil war will occur, etc., which is a situation of regression of human civilization, so we must be prepared for danger in times of peace and make all preparations in advance, just in case.

Zhu Lei also participated in the meeting to decide which planet to transform first, after all, he is a famous all-round scientist of the Ming Empire, a member of the royal family and the royal family of the Ming Empire, the King of Yongan of the Ming Empire, and the only manufacturer of spacecraft engines in the entire Ming Empire, as well as the person in charge of the entire space program of the Ming Empire, and the person in charge of all the space forces of the Ming Empire, so he must participate in such a meeting, because it not only represents the royal family and royal family of the Ming Dynasty, but also represents the attitude of the Ming military.

Without his participation and decision, then all the plans could not be implemented, after all, now Zhu Lei is the attitude of the royal family and the military of the Ming Empire.

"Hello everyone, I think it is safer to carry Mars, and there are obviously many advantages to transforming Mars compared to transforming gold, after all, the volume of Mars is much smaller than that of Venus, and it is much easier to transform, and the current temperature of gold is too high, and the investment required is too huge, with the current national strength of the Ming Empire, it is still difficult to transform Venus.

And Venus is different from Mars, Venus is too close to the Earth, if there is any accident during the transformation, especially during the transformation of the orbit of Venus, then it is very likely to endanger the Earth, and this situation is not what we want to see, so the danger of transforming Venus is too high, so I personally do not approve of the transformation of Venus first.

The transformation of Mars is different, although the average temperature of Mars is more than 100 degrees below zero, but compared to the temperature of Venus of 4500 degrees, such an environment is simply heaven.

When I heard people talk about Venus and Mars, most of the people who disagree with modifying Mars are because Mars is too small, too small, too small, too mass, and has problems with the Martian magnetic field.

However, these problems can actually be effectively solved, although some problems cannot be solved well by the Ming Empire now.

But transforming Mars is not something that can be done in a day or two, and these problems can't be solved well, not that they can't be solved, so I still agree with some modifications to Mars, of course, this is just my personal opinion. Li Xingyu stood up and said loudly.

Now the whole discussion has lasted for almost a month, but in such a long time, the differences among the people present are still very large, although most people are still more optimistic about the transformation of Mars, the accumulation of experience in transforming the planet, and then the transformation of Venus, so that it is safer for the earth, after all, compared to Venus Mars, the distance is much farther, so the safety is relatively high, and Mars is relatively close to the asteroid belt, and it is much more convenient to transport asteroids, All things considered, so most people agree with some modifications to Mars.