The people who were sent to explore the moon by the various sects were all elites of their respective sects. These people's psychological quality was no worse than the astronauts', so even though they were in deep space, they didn't feel too nervous.
In the state of weightlessness, there was no distinction between up and down. Chen Xuan was at the door of the cockpit at this time. His body was perpendicular to Xia Ruofei's Ling Qingxue. He looked at Xia Ruofei from the cockpit door and said with a smile, "Everyone can't wait, let's get going!"
"Okay!" Xia Ruofei said with a smile, "Sit tight, everyone!"
While talking, Xia Ruofei had already reached out with his psychic power and remotely controlled the Obsidian Airship to leave the 400-kilometer orbit and continue to fly to a higher orbit.
The Obsidian Airship started moving, and the five traction ropes connected to the dragon spacecraft assembly slowly straightened.
Xia Ruofei and the others in the spacecraft felt the spacecraft shake slightly, and then the spacecraft began to move to a higher orbit under the traction of the Obsidian Airship.
Under the intentional control of Xia Ruofei, the acceleration process of the Obsidian Airship was relatively smooth, so the traction ropes didn't have much force to bear.
In the history of human exploration of the moon, whether it was manned or unmanned, the process of going to the moon was basically the same. The spacecraft would change its orbit while orbiting the earth, so that the orbit around the earth would become higher and higher, and the circle would naturally become larger and larger, and finally enter the Earth-Moon transfer orbit. Then it would slow down and enter the orbit around the moon.
The process of the Obsidian Airship to the moon was similar, but because the earth's gravity had no effect on the Obsidian Airship, the process of increasing the orbit altitude was faster and the curve was steeper.
Of course, in terms of time, the Obsidian Airship to the moon took longer than any lunar exploration in human history.
The reason was very simple, and it could be summed up in one word – speed.
Using rockets to send probes or astronauts to the moon was a process of constant acceleration. In the Apollo 11 mission, in order to enter low-Earth orbit, the rocket had accelerated to 7.67 kilometers per second, and when entering the Earth-Moon transfer orbit, the rocket's speed had reached 10.5 kilometers per second. Therefore, Apollo 11 only took three or four days to send the astronauts back to Earth.
Although the Obsidian Airship's flight speed was much faster than ordinary civil airplanes, it was still much slower compared to high-thrust rockets. Its advantage was that the formation had already offset the influence of gravity, so it did not need to be extremely fast to get rid of the Earth's gravity. It could even fly directly to the moon at a constant speed.
But no matter what, the straight line distance of about 300,000 kilometers had to be covered by flying, so it naturally took a little longer.
After the Obsidian Airship started moving, all the expedition members had to do was wait patiently.
There was nothing much for everyone to do in the cabin. Many people chose to fix themselves to the cabin wall and then took out spirit crystals to cultivate.
Although Xia Ruofei needed to control the Obsidian Airship, most of the time, he only needed to separate a trace of his mental power to monitor the flight status. This was because the Obsidian Airship only needed to fly away from Earth at a constant speed.
In fact, starting from the 400-kilometer orbit, it would take the Obsidian Airship more than ten days to reach the traditional Earth-Moon transfer orbit, which was about 60,000 to 70,000 kilometers away from the moon. In traditional space flight, the farther away from Earth, the smaller the effect of the Earth's gravity. When it was about 60,000 to 70,000 kilometers away from the moon, the Moon's gravity would dominate. This way, the spacecraft would be captured by the Moon's gravity and would fly around the moon. After constant adjustments, the spacecraft would finally fly steadily around the moon in preparation for the next step of landing on the moon.
The formation of the Obsidian Airship ensured that the airship would not be affected by the Moon's gravity, so the process of going to the moon was not that complicated, but the route was basically the same.
In other words, in these ten days, the Obsidian Airship had to pull the Dragon Airship assembly more than 200,000 kilometers away.
Of course, this process was very boring.
Moreover, there was nothing in space, so there was no need to choose a flight route, so it was very simple to control.
Xia Ruofei only needed to keep the Obsidian Airship flying at this speed after it accelerated to the limit. It was a bit similar to the "fixed speed cruise" of a car, but even simpler because there was no need to control the steering wheel.
Of course, for safety reasons, it was still necessary to monitor the entire flight.
In fact, although the Dragon Airship had been reduced a lot, its technology was still very advanced. After a period of learning and practice, everyone was very familiar with the basic control of the spacecraft, so everyone had arranged a duty schedule in advance. When the time came, two people would take turns to be on duty in the cockpit, monitoring the entire flight.
Xia Ruofei also needed to take care of the Obsidian Airship's situation, so he had to divide a small amount of mental power at all times.
Of course, for the current Xia Ruofei, this was not very tiring. He could even do other things.
In the initial stage of the flight, considering that they were still relatively close to Earth, and there were various satellites, space stations, and experimental modules in orbit, the situation was relatively more complicated than later. So on the first day, Xia Ruofei decided to be on duty himself, and his partner was naturally Ling Qingxue.
The spacecraft was very quiet. In the cabin behind them, everyone was cultivating. In the cockpit, there was only the faint light of the display screen and the dull sound of the cooling fan.
Xia Ruofei said to Ling Qingxue, "Qingxue, take a nap! Or just cultivate for a while. It's too boring to stay here like this! "
Ling Qingxue had been leaning sideways in front of the oval porthole of the spacecraft. When she heard Xia Ruofei's words, she did not get up. She said without turning her head, "I don't want to sleep yet! The scenery outside is too beautiful! "
Xia Ruofei turned his head and looked out of the porthole. From their angle, they could just see the huge outline of Earth.
The blue Earth was like a gem. Although they could not see the full picture of Earth, it was even more shocking.
Xia Ruofei said with a smile, "Take a rest first! What you see in the next ten days will be the same. No matter how beautiful it is, it will quickly become aesthetic fatigue! "
"I know!" Ling Qingxue said, "But I just can't help but want to see it!"
Then, Ling Qingxue said with emotion, "In the past, I would never have dreamed that I would one day enter space and look back at the home that gave birth to mankind … Ruofei, after meeting you, my life has become so much more exciting …"
Xia Ruofei laughed and said, "The most exciting thing is always in the future! That's not the end yet! "
After that, Xia Ruofei stretched and said, "Qingxue, I'm going to take a nap. Call me if anything happens!"
"Okay! Go ahead and sleep! "Ling Qingxue said.
Xia Ruofei put his hands in his pockets and closed his eyes.
In this weightless environment, the sleeping posture was not important. It was the same even if one was upside down.
Of course, there was no distinction between up and down in a weightless environment, so there was no such thing as a handstand. It was all relative.
However, it was best to keep one's hands fixed to one's body. This was specifically mentioned in the spacecraft's operation manual.
The reason was very simple. When a person fell asleep, they would be unconscious. In a weightless environment, one's hands would naturally float up. Presumably, when a person woke up and saw their hands floating in front of them like a zombie, they would definitely be shocked.
In fact, in a weightless environment, people would lose their sense of up and down, and the body fluids in their body would be redistributed. This was also the reason why many astronauts' faces would be a little swollen in space. Therefore, compared to being on the ground, there was a big difference. Especially for people who entered space for the first time, they would feel very uncomfortable and would not be able to fall asleep easily.
However, for practitioners like Xia Ruofei, this little bit of discomfort was nothing. It was easy to overcome.
Therefore, Xia Ruofei quickly fell asleep.
After sleeping for a few hours, he opened his eyes and subconsciously turned his head to look.
Xia Ruofei realized that Ling Qingxue was still not sleepy. He could not help but rub his eyes and said, "Qingxue, are you really not tired?"
"I'm not sleepy at all!" Ling Qingxue turned her head and smiled. "You're awake? How did you sleep? "
"Pretty good!" Xia Ruofei said, "I don't feel any different from being on the ground. I fell asleep as soon as I laid down …"
After that, Xia Ruofei raised his hand to look at his watch and said, "It's five o 'clock in the morning in Huaxia! Qingxue, are you hungry? Do you want to eat something? "
Ling Qingxue thought about it and said, "Okay! It's time for breakfast! "
Xia Ruofei unbuckled his seat belt and said, "Wait for me for a while! I'll go wash up and then we'll eat together! "
The simplest things on the ground, such as brushing one's teeth and washing one's face, became difficult in space. The main reason was that in a weightless environment, liquids were floating in spheres. If they splashed around, it could easily cause dangers such as circuit short-circuits.
It was the same for eating. In the early days, space food was made into a paste and stored in a container similar to toothpaste. The process of eating was to squeeze the "toothpaste" into the mouth. Although there were improvements later, overall, it was still very troublesome.
However, for cultivators, it was relatively simple.
As long as they used their mental power to bind the liquid, it would be obedient and would not run around.
Xia Ruofei came to a special cabin. This small cabin was equivalent to a "men's room". Washing up and going to the bathroom were done in this cabin. There were two small cabins like this, one at the two ends of the spacecraft assembly. The other was naturally the "women's room".
He directly took out a small bucket of Spirit Pool water from the Ring-Tu space. After the bucket of water was taken out, it immediately turned into a trembling water mass and floated up.
However, under the restraint of Xia Ruofei's mental power, this big water mass did not go out of control and stayed obediently in the air.
Xia Ruofei opened his mouth and sucked a mouthful of water into his mouth. Then, he rinsed his mouth and spat out the water. The water that he rinsed his mouth with was also bound by his mental strength and floated to the side.
Then, Xia Ruofei used an ordinary toothbrush, squeezed a little toothpaste, and directly started brushing his teeth.
In the process of brushing his teeth, some foam would inevitably splash out, but all of it was bound by his mental power and not a trace of it scattered everywhere.
The process of brushing his teeth was basically the same as on the ground. The only difference was that there was an extra mass of waste water after brushing his teeth.
Xia Ruofei took the unused Spirit Pool water back into the space, then took out a sealed bag, put the waste water in it, locked it, and threw it into the Ring-Tu space.
The cultivators used the spacecraft, and compared to ordinary people, there was a big advantage, and that was that there was almost no garbage produced inside the spacecraft. The garbage produced could be directly sealed and put in the storage magic treasure.
There was no garbage produced, so naturally there was no need to dispose of garbage and waste, and there was no need to calculate the load of the garbage, which reduced the burden of the spacecraft by a lot.
After brushing his teeth, Xia Ruofei began to wash his face.
Washing his face was even easier. He directly used his mental power to control the water in the Ring-Tu space, wrung out a towel, and then took out the towel and washed his face directly.
Similarly, a small amount of water droplets that escaped were directly bound by his mental power and put back into the Ring-Tu space.
Xia Ruofei finished washing up quickly, and then pulled some of the handrails inside the spacecraft and floated back to the cockpit.
He was now more and more proficient in this weightless state of movement.
"You go wash your face too!" Xia Ruofei said with a smile, "I'll watch over here!"
Ling Qingxue nodded, got up and stretched, then left the cockpit and went to the "women's bathroom" at the back to wash up.
When Ling Qingxue came back, Xia Ruofei took out food from the Ring-Tu space.
After all, they were in space, so it was natural that they couldn't cook like on the ground, so it was relatively simple for everyone to eat.
For breakfast today, Xia Ruofei and Ling Qingxue chose simple sandwiches and milk.
Although the spacecraft had a lot of equipment reduced, the microwave was still intact. Xia Ruofei heated up the sandwiches in the microwave and then ate breakfast with Ling Qingxue.
The milk was also ordinary cartons of pure milk. Naturally, there was no way to suck it directly in weightless conditions because there was no atmospheric pressure outside. However, the two of them still used straws, but changed to using their mental power to squeeze the milk into the straws.
Eating sandwiches naturally couldn't avoid some food residue, but with Xia Ruofei around, Ling Qingxue didn't need to worry so much. She just ate. The food residue was naturally collected by Xia Ruofei with his mental power and put into a sealed bag.
After the two of them finished breakfast, they even "extravagantly" brushed their teeth again.
Then, they stayed in the cockpit for more than two hours. Yang Liu brought Yu Xin 'er to the cockpit. For the next day, the two of them would be guarding the cockpit.
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