The day Mao Tian took three students in their 20s to Comet was also the day Lu Guansheng received another invitation to the Global Environmental Summit COP101.
The comet they were going to this time was already in its final years. It was a short-lived comet, and in a few years, most of its volatile matter would evaporate, leaving it a dead comet similar to a meteorite.
Such comets have a small diameter, small gravity, and weak gas wind, making them suitable for synchronous landing.
The three people who were going to the comet were even more excited when they heard that they could not only watch the comet up close, but also land on it directly.
The group received a week of intensive training in Eden Bay and then embarked on a five-day comet journey.
They all took the topics given by the school and embarked on a journey of research and exploration to obtain first-hand information.
The spacecraft designed by Lu Guansheng also has all-round cameras on the outside, which can capture the entire process from takeoff to landing without gaps.
There are also many video surveillance cameras in the interior space, and combined with their own selfie diaries and photography on their spacesuits, the information will be very complete.
Back on land, we just have to leave it all to the TV station to edit freely, so it doesn't affect the mission operation at all.
During the day and a half on the way, Mao Tian explained to the students the structure and composition of comets, as well as the possible benefits that comets may bring in the future if they become giant meteorites.
Not far from the Earth in the solar system, there is a meteorite array. The meteorites and comets here have similar structures.
Speaking of long-term benefits, most of these meteorites are iron and magnesium silicates, and their mineral components are olivine and pyroxene.
Today, when mining is banned worldwide, these minerals are treasures that can bring huge profits to mankind.
It’s just that there is no technology and no conditions for affordable mining that can achieve economic benefits.
With current technology and equipment, it takes more than a month to reach the meteorite array, and almost three months to go back and forth.
The spacecraft has a limited carrying capacity. Even if we bring it back, we won’t be able to sell this priced mineral deposit, right?
Therefore, aerospace technology is still at the stage of short-distance flight.
Landing on Mars has been talked about for a hundred years, but no one has done it yet. It’s not because it can’t be done, but because the funding required is huge and the equipment and technology are limited.
The key point where this technology is limited is energy supply.
It’s no problem to go to Mars, but once you land there, it’s not so easy to come back!
Although the gravity of Mars is not as strong as that of the Earth, if you want to take off from Mars, with current technology, you can only do so by spending several years building a launch station on Mars.
This is why Qian Jiujin was so concerned about letting his son go to Mars. What if Lu Guansheng's skills were not up to par, wouldn't he never see his son again in this life?
He doesn't want his son to become a resident of Mars!
A day and a half passed quickly as those studious teammates chatted with each other.
Next is Mao Tian’s most uncertain landing!
After circling the comet, the members worked together to record the surface morphology of the comet and finally found a basin suitable for landing.
"Doctor Mao, do you think this area will work?" A student pointed to the basin. "The wind speed is very low in the leeward area, and the rocks are flat. We should be able to hold on."
"What do you think? Do you want to take the risk and log in? Or do you think the risk factor is too high and just collect from the periphery?"
Looking at each other, they nodded in agreement. "Now that we're here, it would be a shame not to log in! This might be our only chance in a lifetime!"
"Okay then! Remember to follow orders from now on and don't make decisions on your own." Mao Tian nodded. "After logging in, remember to secure the safety rope to the hatch!"
If you accidentally jump here, you will go to outer space, and it will be troublesome to come back!
Although there are space suits, the comet's wind is extremely strong and its movement speed is also very fast. It is probably still very difficult to rely solely on space suits.
This group of people was a temporary team, and in order to avoid calling the wrong names, Mao Tian asked them to use numbers from the beginning.
Mao Tian is number zero, and the other three are number one, two, and three.
"Number three prepares to grab the ground claw, number one measures the wind direction and wind speed, number two goes to the co-pilot seat to cooperate with me in logging on!" After Mao Tian finished speaking, he took number two back to the cockpit.
"The ground wind speed is 400 kilometers per hour, which is a bit too strong!" After detecting the wind speed, No. 1 was a little uncertain.
"Number two, go forward, we'll land with the wind!" Mao Tian thought about it and realized that it was impossible to land against the headwind, and it would be easy to go off course with the crosswind. It seemed that the safest thing to do was to land with the wind, which was the most unsuitable thing to do during the flight.
"Tailwind?" The three of them were embarrassed. What kind of a trick was this?
"Using wind power to propel it, reversing the turbine to slow it down, and using the take-off and landing wings to pull it up, it can be done!" Mao Tian was thinking in reverse. "Sometimes, experience becomes a limitation. We need to broaden our thinking!"
He remained undecided, but there was no other way but to listen to Mao Tian. Furthermore, they all desperately wanted to land on the comet, so they were willing to take the risk!
Finally, the spacecraft began to descend in the opposite direction and launched its lifting wing, but it did not dive.
"Number Two, we're going too fast! Increase the turbine power! We have to reach 100 meters above the ground in under 90 yards. We don't have a runway!"
"90 yards?" Number Two looked at the speed which was now more than ten times faster and began to panic.
"Now! Right now! What are you doing?" Mao Tian roared, waking up the petrified No. 2.
"Oh no! We still have a hundred yards to go!" Mao Tian almost cursed because of the few seconds wasted by No. 2.
"what to do?"
"Fasten your seatbelts and hold on tight! Try again!" Mao Tian said to No. 2, "Don't slack off this time!"
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