When preparing this plan to go to space, Zhang Ziqiang fully considered various dangers and response methods. Even if the two of them could not support them in the air and Ananda's spiritual consciousness was about to be exhausted, they could open the space door in Ruyi Lu. They could enter the Artifact Temple and then send it home. So he had to do an experiment to modify the space door sign. Because he wanted to enter the Artifact God Space again, he decided to build Penglai Island first and take all his family in. Now he was sure that he could modify the space door sign so that Mingzhi and others could not be on earth.

He even made preparations for unsuccessful modification of the space gate sign in high space. Ananda's Ruyi Lu just turned into an airplane model and then turned into a parachute when it was close to the ground. Both of them could float back to the earth. It can be said that there was almost no danger. Otherwise, with Zhang Ziqiang's personality, he would definitely not take such a risk.

The hydrogen airbag produced by Ananda is large and has a prism shape. The air resistance is not too great. It only carries the two of them with a pair of oxygen cylinders, so the speed of launching is very fast, one thousand meters, two thousand meters, three thousand meters... As the height continues to increase, the temperature gradually decreases, but this temperature difference is completely fine for the two. If Zhang Ziqiang's body can easily melt iron and gold, how can he care about this temperature change?

It is not that Zhang Ziqiang has reached the level of Jindan cultivation, and the ** has become made of metal and is not afraid of fire. In fact, if he is allowed to shine directly in space, he can't stand it. He can release the true energy from outside to form a protective shield. With the true energy shield to isolate the outside world, he can maintain a living environment. Even if he is in a vacuum, as long as his luck is true energy, he can ignore the influence of temperature. Only the tiger warriors are trained. With a thought and exercise, the skin of the whole body can be as hard as steel, and can truly walk in space.

The increase in height is not only a change in temperature, but also a decrease in air pressure. Generally, airships release the air from the "air room" at this time to ensure the pressure difference between the inside and outside the airbag, so that the airbag of the airboat will not be broken, but it is not necessary for both of them at all. As long as Ananda expands the volume of the airbag accordingly, it can also ensure that the floating force does not decrease.

Nowadays, major countries in the world have high-altitude airships, with a ceiling of up to 20 kilometers. These airships cover almost most of the functions of previous satellite systems. Compared with satellites, the benefits of high-altitude airships are obvious. They can be reused. People can recover airships through remote control, so that these airships can be inspected and released before they can perform new tasks.

Airships stay in the sky as long as artificial satellites. These airships can serve as relay stations for ground communications and serve ground mobile communication services. They can also float far away in some densely populated areas as effective space tools for sending broadcasts. In addition, these airships can shoulder the heavy responsibility of earth exploration, surveying, astronomical research, etc., and can also monitor weather and environmental changes, and even use them to report traffic road conditions. High-altitude boats have been a hot topic of development in various countries in recent years.

Ananda's Ruyi Wire is much stronger than the airship. Ruyi Wire can be big or small, and has almost no self-weight. Based on the maximum area of ​​Ruyi Wire, they can pass through the troposphere, stratosphere, and intermediate layer of the atmosphere with hydrogen to reach the warm layer!

The rise continued rapidly, and the wind was high at the altitude of the troposphere, which made the romantic rays float. However, because of the great lift, it only took ten minutes to break through the troposphere, and the two of them felt more comfortable. The air flows slowly in the stratosphere, and now aircraft also sail this layer more often.

The two of them rose quickly, and the air resistance increased to a certain level and the speed did not increase. They kept rising at a constant speed, just like sitting in an elevator in a constant speed process. There was no problem with astronauts being physically discomfort due to excessive acceleration - even if they took a rocket to take off, with their physical strength, the acceleration seemed to be playing.

Nowadays, humans on Earth have extremely developed air monitoring systems. If they were flying rockets, they would have been discovered long ago, but they were almost silent and had no heat reaction. Ruyili can change colors and even form a situation. Radar waves are reflected without a trace. With the current technology of human beings, they cannot be discovered even during the day, let alone late.

They did not bring any instruments to measure height. As long as Ananda felt that the pressure in Ruyi Lu was greater than the outside world, he expanded the volume of the airbag. The two opened a bottle of oxygen and opened a small opening to the space where they were from time to time to discharge the exhaust gas for new air. Later, Zhang Ziqiang saw that the process of rising was very stable, so he simply released the space door in Ruyi Lu. After pushing the door open, he didn't even need an oxygen bottle. This was very safe. If there was any accident, he could jump into the space door at any time, put away Ruyi Lu and close the door and go home!

Until Ruyili reaches the expansion limit, Ananda partially solidifies the airbag and opens a small opening under the airbag and no longer cares about it. After the height increases, the pressure in the airbag increases, and hydrogen will naturally be discharged from the opening below.

After about an hour of touching, Zhang Ziqiang felt that the speed of the rise gradually slowed down. He walked into the instrument temple and took out four sets of rocket boosters that had been prepared from the ring space. It was said to be a rocket booster, but it was actually just a special metal cylinder. Liquid hydrogen and liquid oxygen were sprayed into the cylinder through the same special pipeline. After the hydrogen and oxygen were fully burned, a huge amount of water vapor was generated and sprayed out at high speed from the tail of the cylinder, thus generating a reverse pushing force, allowing them to overcome the earth's gravity and escape quickly.

At this step, Zhang Ziqiang made two ideas. One is to use the anti-gravity formation to arrange a container. In this container, he can prepare a large amount of liquid fuel. Because of the anti-gravity formation, the container only has the weight of its own spiritual material. This doesn't matter even if the performance of the special rocket booster customized by the people is poor, it can slowly accelerate the container, and he has fuel.

However, after repeated consideration, he still decided on this design. The main reason was that the information about space he only found on the Internet was too superficial. He could not be sure whether the formation arranged by Lingmu could maintain normal operation in various extreme environments in space.

If he used spiritual iron to set up the array, he was sure that he could deal with extreme environments in space, but the weight of the spiritual iron container was too high. Ananda's Ruyi Lu is an excellent material, but his current cultivation level is not yet capable of setting up the Ruyi Luyi Lu, even the purple-clothed priest in the Nascent Soul stage cannot!

Regarding the idea of ​​secondary acceleration at high altitude, since the technology of the Art God Continent cannot work, Zhang Ziqiang had to adopt the traditional method of the earth. He imagined that when the hydrogen airbag could no longer be raised in high altitude, open the space door and move out the booster and fuel tank. After igniting the booster, Ruyilu turned into a rocket shape. That would only add the weight of the fuel tank and booster, and add the two of them, and the mass would not be too large.

During the actual lift-off process, Zhang Ziqiang found that the situation was much better than expected. Ananda had almost never consumed his spiritual consciousness so far. It was too easy to maintain the stability of the space they were in. He simply placed the fuel tank in the sacrificial hall and only took out four boosters. This was equivalent to the four boosters pushing the two of them into the air. It was too easy.

Ananda narrowed the lower part of Ruyi Lu and fixed the booster. Zhang Ziqiang turned on the fuel pipeline and activated the electronic ignition switch. He heard a "buzzing" sound. The four boosters ignited at the same time, spraying four flames and a large amount of white air downwards. The two of them felt their bodies sink suddenly, and Ruyi Lu took them to a higher altitude, with the acceleration exceeding at least three g.

The prismatic hydrogen airbags on their surface are useless, and multiple airbags will still form resistance. Ananda's spiritual consciousness moved and half of the Ruyi strands were collected. At the same time, the entire Ruyi strands turned into a sharp cone shape. The four boosters were symmetrically distributed at the bottom of the cone, which made the acceleration much larger!

Ananda felt that the booster was too noisy, so he deliberately used Ruyi Lu to isolate the space where they were. There was a vacuum between the inner layer and the outer layer, so that only a little sound could be heard through Ruyi Lu and the fuel pipes, and the two of them felt much more comfortable.

Although they were in a acceleration environment of several G, they could still talk and laugh freely. The true energy turned in their body and didn't feel much. Unlike traditional rockets, the direction of their "Ruyi Lu" rocket booster can be adjusted freely. Even if they want to fall into the ground, it is very simple to turn around and rush back to the earth. It is simply perfect.

Because Zhang Ziqiang did not know the specific height and had never calculated the orbit, he just kept rushing. In fact, when they installed four boosters, they were already in the ionosphere. Generally, when the spacecraft returned to Earth, it passed through this layer at a fast speed, reaching dozens of times the speed of sound. The spacecraft shell can reach a high temperature of 2,000 degrees. The high temperature ionizes the air around the spacecraft to form a plasma, shielding electromagnetic waves, so that the ground personnel cannot know the real-time condition of the spacecraft. This is the "black barrier area" of space navigation.

Not to mention that the people on Earth did not deliberately monitor them. Even if they knew in advance that they were about to take off, they could not monitor them on this layer. The volume of Ruyili was small, there was no communication signal source, and the thin air around them was still in an ionized state. They only used four self-designed boosters. Even if the equipment was scanned, it was considered to be the normal reaction of the atmosphere here after it was ionized, so their feat has not been discovered yet.

Half of the "Ruyi Lu" spacecraft was adjusted to be transparent by Ananda because the hemisphere they were in was dark night. After passing the troposphere, there were no clouds blocking their sight. The moon was clearly visible in their eyes. Now it has been replaced by a booster. They have neither direction nor orbit. Ananda fine-tuned the booster and just aimed at the moon.

Suddenly, their eyes lit up. They turned their heads and saw a big fireball hanging in the distant space. It was the fiery red sun, but it was too dazzling. Ananda quickly adjusted the color of Ruyixie in that direction. Only then could the two of them see other scenery clearly. They were in the dark sky and were in the shadow area before. Even when they looked at the earth, they were only pitch black. At this time, the two of them just arrived at the intersection of light and darkness. After being directly illuminated by the sunlight, they turned back to look at the ground and were stunned by the beautiful scenery.

A huge arc-shaped earth was slowly rotating under their feet. Most of the things they could see were in the dark state, but when the light was bright, the blue arc was extremely beautiful. There are countless beautiful space pictures circulating on the Internet now, and the clarity is extremely high. However, after seeing them with their own eyes, they felt even more shocking. Compared with the celestial bodies in this universe, Ananda suddenly felt very small even though he reached the Nascent Soul stage cultivation level!
Chapter completed!