2020-11-04

370 million kilometers away, Hubble has discovered expensive celestial bodies. Can they be mined?

By yqqlm yqqlm

I am not a major in economics, and I don’t dare to talk nonsense if I don’t understand it, but I still know the truth about “things are precious”. Rare metals such as gold and silver have become hard currencies since the establishment of an economic system. No matter how turbulent the world is, it is difficult to affect their status. In the final analysis, their reserves are”moderate” and can play this important role.

But the number of celestial bodies in the universe cannot be estimated. Even there are about 200 billion stars in the Milky Way, and each star has its own Celestial body system, taking the solar system as an example, there are planets, dwarf planets, asteroids, comets, and other celestial debris orbiting around, and there are many satellites around the planets.

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The composition of celestial bodies is different, and most stars are composed of hydrogen, helium and other elements. The ionic state. Gaseous giant planets have an obvious layered structure. Take Jupiter as an example. The outermost gas is similar in composition to stars, mainly hydrogen and helium, and then liquid hydrogen-metal hydrogen, with a rocky core at the core. The rocky celestial bodies are similar to the earth, with many components mainly consisting of rocks and other metallic materials.

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But the composition of rock celestial bodies is also different, and they can become rare metals on the earth Gold and silver may be abundant in other celestial bodies.

There is an asteroid belt between Mars and Jupiter in the solar system, where a large number of asteroids and Many small fragments of celestial bodies were formed in the early stages of the solar system, so the detection of these asteroids is of great significance.

Scientists have previously used the Hubble Space Telescope to discover a special asteroid in the asteroid belt. The research results have been published in Planetary Science Journal. Different from other asteroids,”Psyc 16″ (16 Psyche) is almost entirely made of metal. Although its diameter is about 225 kilometers, it is not the largest, but its metal composition makes it an asteroid belt. One of the heaviest objects, very dense.

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The main ingredient is iron and nickel, but it also contains a large amount of rare metals such as gold and silver. Scientists estimate that the value of this asteroid exceeds the total economic volume on Earth, reaching 100 billion U.S. dollars. Scientists joked that if this asteroid is brought back to the earth for mining, then the total population of 7.8 billion people on the earth can get an average of 1.2 billion US dollars in wealth. Of course everyone has money, but that doesn’t mean really rich.

For this”expensive” asteroid, NASA (NASA) has made an exploration plan, It is expected that in 2022, an unmanned probe will be launched with the help of U.S. Space Exploration Technology Corporation (SpaceX)”Falcon Heavy” rocket. Research on an asteroid can help scientists understand its formation and evolution process.

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One of the main authors of this research paper, planetary scientist Tracy Becker ( Tracy Becker), he believes that the reason why this asteroid is so different from other members is that it may be formed in a different way. Scientists speculate that”Psek 16″ should have been a large planet. During its formation, it was collided by other celestial bodies in the solar system, which eventually resulted in the loss of the outer shell or the unsuccessful formation of the outer shell, thus becoming what it is today.

“Psek 16” is very similar to the inner core of the earth, and the study of it can help scientists have a deeper understanding of the earth. Of course, the so-called mining is not realistic and unnecessary. There are too many valuable celestial bodies in the universe, but if they actually arrive on the earth, they will be meaningless.

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Humans currently have the ability to collect samples from alien planets and return to Earth. In fact, since the last century It can be done. For example, the unmanned probe of the former Soviet Union on the moon collected samples and returned to the earth. The most recent one such as the Japanese Hayabusa 2 collected samples from the Ryukiya asteroid is on its way back. It is expected that it will “pass” the earth by the end of this year. Sample and start a new journey of it. And NASA’s”Osiris-Rex Detector (OSIRIS-REx) completed a sample of the Bennu asteroid last month The collection is expected to return to Earth in 2023.

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In the future, when mankind enters the space age, more and more special celestial bodies will be discovered, most They will focus on research, not mining. Even if human beings mine in the future, they will focus on some important energy sources instead of”useless” gold and silver. 2020 Vitality Conference Tribute to the insights


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