Lead
In the past, human beings have always been full of yearning for "whether there is life on alien planets", and there have been scientists who have worked hard all their lives to find life on alien planets, but no matter how hard human beings try, the earth really seems to exist uniquely in the universe.
Human exploration seems to have made new progress recently, human beings have discovered Gliese 581g, a super Earth 20.5 light years away from the earth, the birth of this super earth makes earthlings yearn for life in the universe at the same time, but also yearn for the hope of finding a second home.
What kind of planet is Gliese 581g?
Why do people have high hopes for Gliese 581g?
And what are the problems that people need to solve?
1. Mankind discovered Gliese 581g and pinned high hopes on it.
20.5 light-years away from Earth, in the southern part of the constellation Scorpio, there is a planet where scientists have discovered a gas that is closely related to life, which has led scientists to speculate wildly about the existence of life on this planet.
The name of the planet is Gliese 581g, also known as "Gliese 581g".
Gliese 581g is a super Earth 20.5 light years away from the Earth, according to astronomers' observations, this planet has been discovered by humans since 2010, this planet has very human yearning conditions, it has a terrestrial planet structure and superior conditions, which makes human beings have high hopes for this planet.
Since then, human exploration has once again been full of passion for life in the universe, and there are still many unknowns on the way to explore the universe, but this planet so close to human beings may have the life that human beings yearn for, which makes human beings have a more optimistic attitude.
And why does Gliese 581g have such exciting conditions?
Astronomers call it a "super-Earth", so what exactly is a "super-Earth"?
"Super-Earth" is the name given to large terrestrial planets by astronomers.
In astronomy, there is a type of planet called a "terrestrial planet", which usually has a structure and conditions similar to that of the Earth, but is larger than the Earth, usually more massive than the Earth, but smaller than Uranus and Neptune.
And this kind of planet is also called "super Earth".
The existence of the "super-earth" has many conditions conducive to human survival, first of all, the most concerned problem of human beings, the problem of suitable temperature, the earth is 581 light-years away from the main star of Gliese has a very suitable temperature, the light of the main star can maintain the temperature of this super earth at about 0-40 degrees, which is very suitable for the existence of life.
Moreover, the temperature of Gliese 581g is suitable not only because of its moderate distance, but also because Gliese 581 is a red dwarf, and the life span of red dwarfs is relatively long, so the planets around the red dwarf can be kept at a suitable temperature for a very long time.
Secondly, the atmosphere of this super-globe is very thick, and the thin atmosphere on the earth also indicates that the life forms on the earth are more primitive, and the atmosphere of Gliese is 581g, which means that the life forms on this super-globe are more progressive.
Finally, the mass of Gliese 581g is greater than that of the Earth, which means that the gravity of Gliese 581g is greater than that of the Earth, which means that the creatures on Gliese 581g will feel very relaxed when walking on the earth, which is more conducive to human survival.
But while Gliese 581g is a very, very habitable planet, there are many differences between it and Earth.
2. Gliese 581g is different from the earth.
First of all, the ground of Gliese 581g does not have a day-night alternation like Earth, which means that there is only polar day and polar night on this earth.
But the polar day and night of Gliese 581g are not because of its very long rotation period, but because its axis of rotation coincides with its axis of rotation, which means that one side of it is always facing the starry sky and the other side is always facing the main star.
As a result, only one side of this super-earth can inhabit life, and if humans want to reproduce on the Gliese 581g, they must find a suitable place, such as the habitable zone of this earth, to survive.
However, the climatic conditions on Gliese 581g also have more complex problems, although the planet has an atmosphere, but due to the temperature, the atmosphere and water on this planet are in the form of ice, and if humans want to live on this planet, they must first find a way to thaw the water and atmosphere on the planet.
3. How do humans survive in space?
Although the extreme environment on Gliese 581g is unimaginable to humans, scientists can still find ways for humans to survive on this super-Earth, and the first thing scientists think about is how humans can survive in space, which requires humans to establish settlements in space.
Scientists have found that there are many difficulties in establishing settlements in space, and the established settlements are also very unstable.
For example, the settlement on the moon is very unsafe because the moon has a lot of meteorites dropped.
So scientists came up with a very good place to establish a settlement, and that is Mars.
Mars is the first stop for human exploration of the universe, and scientists can establish a settlement on Mars, so that they can effectively solve the problem of human habitation in space.
However, the climate on Mars is not suitable for human life, so scientists have a very good way to solve this problem, and that is by human beings to adapt Mars to fit the human habitation environment.
By transforming Mars, the carbon dioxide atmosphere on Mars can be turned into oxygen that humans can breathe, so that they can breathe fresh air on Mars, and scientists can also make the ecological environment on Mars more suitable for human survival by planting plants on Mars.
epilogue
Since ancient times, human beings have been full of yearning for the universe, especially for life on alien planets, and they are full of infinite imagination.
The exploration of space and the search for habitable planets have not only brought new possibilities for human survival, but also made people rethink the position of the earth in the universe and the uniqueness of the earth.
Although Gliese 581g is the most promising of the terrestrial planets, there are still countless unknown planets in the universe waiting for human exploration, and human beings still need to continue to work hard to find other habitable planets, so that human beings have more choices.
The discovery and research of terrestrial planets is not only the efforts of scientists, but also the common attention and support of all mankind, so that human beings can continue to make progress and develop in the field of space exploration and survival.