The Science Fiction World of Xueba

"Alin, you are here."

Mu Donglai was pleasantly surprised by the arrival of Pang Xuelin and Mu Qingqing.

These years, Pang Xuelin has been entangled in various affairs, so he can meet Mu Donglai a few times throughout the year.

That is Mu Qingqing, who will come back occasionally when she is free.

It was not easy for Mu Donglai to meet the two of them.

Especially a few years ago, when Mu Donglai learned that Pang Xuelin and Mu Qingqing were going to build an interstellar spaceship to explore outer space, the old man immediately exploded and firmly opposed it, even at the expense of getting Mu Qingqing and Pang Xuelin to divorce.

After all, the only daughter was abducted by Pang Xuelin and boarded a spaceship from which she could never return.

Later, as the Ark Project attracted global attention, the media's numerous reports changed the attitude of the country and the governments and people around the world to the Ark Project, and Mu Donglai gradually opened up his knot.

In his words, if he was ten years younger, he would also like to join this plan.

It's a pity that he is now seventy years old, no matter in terms of his physical condition or his role in the Ark Project, he has no way to join this plan.

After that, Pang Xuelin and Mu Qingqing settled down in Chang'an.

Mu Qingqing spent most of her time with her father, while Pang Xuelin chatted with Ren Zhengfei, Ni Guangnan, Huang Zaixing and other old folks every day, about the company's future and the company's future development direction.

If Pang Xuelin leaves, he and Mu Qingqing will have no children, so how to deal with the assets under his name will become the focus of media attention.

In the past year, on the one hand, Pang Xuelin has cooperated with the government to complete the nationalization of some assets.

He plans to spend 10% of the remaining assets to set up an education foundation to support primary and secondary education in poverty-stricken areas across the country.

Other assets are distributed step by step to the employees of the Star Ring Group in accordance with the model of Warwick in the real world.

Of course, employees only have the right to dividends, but not control rights. Once they leave the company, they have to sell their shares to the company at an agreed price.

This is very beneficial to both the stability of the company's future development and the maintenance of the company's future vitality.

Pang Xuelin and Mu Qingqing stayed in Chang'an for nearly a month,

Only then did I leave.

This time, they and the other thirty-eight reserve crew members will go to the completed Ark One in space to perform a two-year trial voyage and training mission.

Two years passed in a flash.

Two years later, December 21, 2012, the day of the end of the world in the Mayan calendar, was also chosen by Pang Xuelin as the day for the expedition.

Hainan, Wenchang Space Launch Site.

Hundreds of thousands of aerospace enthusiasts from all over the world gathered in Wenchang, and the entire Wenchang County was packed.

If it weren't for the deliberate control by the government, there would probably be more people who came to see off this expedition.

Global media focused their attention on this world-renowned departure ceremony.

This is the greatest adventure in human history.

Its historical significance is comparable to Magellan's voyage around the world, Columbus's discovery of the New World, and even more.

The heads of more than 50 countries of the United Nations, as well as representatives of more than 100 countries, also came to the scene.

At the expedition ceremony, Pang Xuelin, as the captain of Ark No. 1, received the badge of the Ark project from the Secretary-General of the United Nations, a metal disc made of titanium alloy, on which the sun and the eight planets of the solar system are engraved.

In addition, basic parameters such as pi, Planck's constant, gravitational constant, light speed, and fine structure constant are engraved around the disc, which represent the basic understanding of human beings about the universe and nature.

Originally, scientists hoped to mark the specific location of the solar system on it, but under Pang Xuelin's strong opposition, it finally fell through.

Of course, compared to the star exploration project in the Chinese Academy of Sciences, the Ark project proposed by Pang Xuelin has many more tasks.

Among them, the most important task is to release a small unmanned probe on Ark 1 when it approaches a certain star system.

This probe also carries a solar sail, which will be decelerated and gradually moored into the orbit of the star through the solar sail.

In this way, the Ark Project can not only meet Pang Xuelin's requirements for exploring as many star systems as possible, but also conduct in-depth exploration of each passing star system.

Even in the detection of Proxima Centauri αC (the closest star to the solar system), scientists have considered plans to return unmanned probes.

As for whether it will be successful in the end, everything is unknown.

But for human beings, the Ark Project is after all the first cry of human civilization to this universe.

After completing the expedition ceremony, Pang Xuelin, Mu Qingqing and the remaining 18 selected explorers went to the lounge to say their final goodbyes to their relatives and friends.

In the lounge, Shui Wa, Liu Qi, Third Aunt, Mu Donglai and others have been waiting for a long time.

Liu Qi is now nearly fifty years old, and still maintains a weight of more than two hundred catties.

When hugging Pang Xuelin, the partner who first cooperated with Pang Xuelin couldn't help crying.

"Brother Pang, take care from now on. If it wasn't for the fact that the child is still young, I would definitely have to go with you."

When he hugged Shuiwa, his eyes were red, but he just beat Pang Xuelin's chest hard a few times.

"Brother Shuiwa, from now on, Uncle Mu and Third Aunt will ask you to take care of them."

"Don't worry, I will take good care of the second elder."

Shui Wa nodded heavily.

Finally, Pang Xuelin came to Mu Donglai.

Mu Donglai didn't cry, but looked at Pang Xuelin with a smile.

Mu Qingqing, on the other hand, lay in her father's arms and burst into tears.

"Xiao Pang, I will leave Qingqing to you. You must take good care of her."

Pang Xuelin took Mu Qingqing's hand and said in a deep voice, "Uncle Mu, I will definitely take good care of Qingqing."

The more than one hour farewell time ended quickly, and Pang Xuelin, Mu Qingqing, and the remaining eighteen adventurers left the lounge one after another.

The 18 adventurers participating in the Ark Project this time were carefully selected from 15 million applicants around the world, and all of them have undergone rigorous training.

Considering the dangers of the Ark Project and the various crises that may arise in the future, these eighteen adventurers all have an average education of master’s degree or above, nine men and nine women. During the past two years of getting along day and night, these people have successively combined into married couple.

At 21:25 in the evening, in the eyes of the people all over the world, the space shuttle was officially launched.

Four hours later, the shuttle docked with Ark One in geosynchronous orbit.

Eight hours later, the space shuttle and Ark 1 departed and returned, and Ark 1 began to change the angle of the solar sail, officially starting the long journey.

...

Alpha Centauri, also known as Nanmen II, is located in the southern constellation Centaurus in the sky. It is a triple star system and the closest star system to the sun.

The comprehensive visual magnitude is -0.27 (beyond the fourth brightest Arcturus), and the absolute magnitude is 4.4.

Alpha Centauri was once known as the outermost guide to the Southern Cross constellation, which is too far south to be seen from most of the northern hemisphere. It is rumored that when Zheng He went to the West, he used it to guide the direction.

This is the closest star system to the sun, only 4.37 light-years (about 277,600 AU).

Its interior is divided into ABC three stars, among which A/B form a double star system.

Alpha Centauri A is the main star in the Nanmen binary star system, slightly larger and brighter than the sun. The star, like the Sun, is yellow in color and has a stellar spectral classification of G2V. By determining the mutual orbital parameters, astronomers have concluded that its mass is about 10% to 12% larger than the sun, and its radius is about 20% to 25% larger than the sun. Its stellar rotation speed is 2.7±0.7km·s, and its rotation period is 22.5 days, which is 3 days shorter than the sun's rotation period (25.2 days).

Alpha Centauri B is the companion star in the Nanmen binary star system, slightly smaller and dimmer than the sun. This main-sequence star is orange and has a stellar spectral classification of K1V. Its mass is about 90% that of the Sun, and its radius is about 86% that of the Sun. Its star rotation speed is 1.1±0.8km·s, and its rotation period is about 41 days. Although Alpha Centauri B is darker than Alpha Centauri A, it emits more X-ray energy than A.

Alpha Centauri C, also known as Proxima Centauri, is the third star of the Alpha Centauri triad, 0.25 light-years away from the A/B binary star system.

The main-sequence star is red, and its stellar spectral classification is M5Ve, indicating that it is a small main-sequence star. Its B?V color index is +1.9, and its mass is 0.122 solar masses (128 Jupiter masses).

Proxima Centauri is 4.24 light-years away from the Sun and is also considered to be the closest star to the Solar System.

Observe the universe from the vicinity of Nanmen 2, you will see many celestial bodies that observers on the earth see, most of the constellations hardly change, such as Orion and Ursa Major. But the brightest star in Centaurus will disappear, and the Sun will become a 0.48-magnitude star in the constellation Cassiopeia.

Generally speaking, the shape of Cassiopeia will change from \\\\/\\\\/ to /\\\\/\\\\/, and the sun will be at the end of Cassiopeia ε.

Bright stars near the Sun, such as Sirius and Procyon, appear in very different positions when observed from Prometheus. Sirius will be part of the constellation Orion, appearing 2 degrees from Betelgeuse, and slightly fainter than observed from Earth (magnitude -1.2).

And Fomalhaut and Vega will be replaced even though they are far apart.

Proxima Centauri would be an unobtrusive mag 4.5 star, which shows how faint Proxima Centauri is, considering it is only 1/4 light-year away from Alpha Centauri A and Alpha Centauri B.

If there is a planet around Alpha Centauri A or Alpha Centauri B, they will be very bright double stars on this planet.

For example, if there is an Earth-like planet at a distance of 1.25 AU from Alpha Centauri A (with a revolution period of 1.34 years), the brightness of Alpha Centauri A is similar to the Sun for the planet, and Alpha Centauri A Alpha Centauri B will be dimmed by magnitudes 5.7 to 8.6, but will still reach magnitudes -21.0 to -18.2. Although it is 190 to 2700 times dimmer than Alpha Centauri A, it is still 170 to 2300 times brighter than the full moon.

Conversely, if there is an Earth-like planet at a distance of 0.71 AU from α Centauri B (with a revolution period of 0.63 years), the brightness of α Centauri B is similar to the sun for the planet, and α Centauri B Star A will be dimmed by magnitude 4.6 to magnitude 7.3, but will still reach magnitude -22.1 to magnitude -19.4. Although it is 70 to 840 times dimmer than Alpha Centauri B, it is still 520 to 6300 times brighter than the full moon.

For a planet orbiting one of these stars, a second sun would not have adverse effects on climate or photosynthesis (approximately the distance between Saturn and the sun).

But this means that for about half the year, instead of being pitch black, the night sky is dark blue, and people can walk around and even read without artificial lighting.

In the "Three-Body" series, the Alpha Centauri three-star system was written by Liu as a triple star with similar mass and distance, because the orbital instability of these three stars caused the planetary orbits where the Three-Body Civilization lived It is also extremely unstable. Sometimes it is captured by one of the stars, and sometimes it wanders around these three stars. The constant epochs and chaotic epochs alternate one after another, thus forming a very unique Trisolaran civilization.

But in this world, Alpha Centauri is basically consistent with reality.

Because of the launch of the Ark project, before Pang Xuelin and the others set off, scientists on the earth mobilized a lot of resources to observe Alpha Centauri.

Among them, a team of scientists from the Geneva Observatory in Switzerland once discovered that there is an exoplanet around Alpha Centauri B.

The exoplanet appears to be very close in size and composition to Earth, and the planet itself is within the habitable zone of Alpha Centauri B.

In addition, the European Southern Observatory also discovered a planet around Proxima Centauri. This planet is named Proxima Centauri b. Its mass is about 1.2 to 1.3 times that of the Earth, and the distance from the main star Proxima Centauri is about 0.047AU , with a revolution period of about 11 days, and its location is just in the habitable zone.

A team of astronomers from the Andalusian Institute of Astrophysics in Spain used the ALMA radio telescope array to detect three dust lanes around Proxima Centauri. The existence of these dust lanes may imply the existence of a multi-planet system around Proxima Centauri.

Therefore, according to the orbit planned by Pang Xuelin and physicists, Ark 1 will release the unmanned probe directly when it is about one light-year away from Proxima Centauri.

In the future, the detection missions for Proxima Centauri will be mainly handed over to unmanned probes.

And the Ark 1 will aim at the A/B binary star system of Alpha Centauri as its main target.

November 8, 2045 AD.

The hibernation cabin of Ark One.

Pang Xuelin suddenly opened his eyes, the cabin door opened silently, and the voice of MOSS rang in Pang Xuelin's ears.

"Professor Pang, you have been in hibernation for 30 years at 22 hours and 26 minutes on August 12, and MOSS will wake you up according to the scheduled procedure. The Ark spacecraft will pass by Proxima Centauri in one month, and arrive at the A/B binary star in two years. Next, You will have two years to conduct research on the Alpha Centauri star system!"

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