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The earth looks particularly special in the sky of the galaxy. Because not only gave birth to life, but also gave birth to civilization.
For thousands of years, people have been eager to find a planet that may also exist in life, but in the end they all return in vain.
But now scientists speculate that in the boundless universe, a celestial body called Glitzer 581g is likely to be the only planet with the possibility of life besides the earth. So what's special about it?
habitable planet
So far, scientists believe that there may be two planets besides the earth, and life may also exist. They are in the top two of the human livable celestial bodies rankings, with Glitzer 581g at the top and Titans at the second place.
actually seems special because it is not too far away from us.
Our Earth and Titan are also located within the solar system, and they are also the planets with the highest human habitability index in the entire solar system.
, and Glitzer 581g is farther away from us. First of all, it is an exoplanet. In addition, after long-term human exploration, it was found that Glitzer 581g has the highest similarity to the earth. So many astronomers believe that Glitzer 581g is the earth outside the solar system.
This is a bit difficult for humans who have not mastered the warp speed technology yet.
So why do scientists think that Glitzer 581g is the extraterrestrial planet with the most likely existence of life? When Scientist Stephen Watt publicly introduced Glitzer 581g 12 years ago, he said confidently: The possibility of life on this planet is 100%.
Science has always been rigorous. If the physicist and astronomer Stephen Water, who is engaged in scientific work, had not undergone a large amount of data detection and long-term astronomical observation, he might not have dared to conclude that Glitzer 581g is another earth outside the solar system.
Existence of Life
After Stephen Water's vigorous publicity, more and more astronomers and scientists are investing in the research of this planet. Later, not only did people not overturn his speculation, but instead insisted that Glitzer 581g was indeed the more special one of all planets.
After research, it was found that it is similar to the size of the earth. Its diameter is about 1.2 times that of the earth and its mass is about three times that of the earth.
In addition, it is also a planet mainly composed of rocks, which is very similar to the earth. But what makes people feel helpless is that only the morning and dusk line on this planet is suitable for human migration. What does this mean?
It turns out that there is a strong tidal locking relationship between it and its parent star, just like the moon and the earth. When we humans look at the moon from the earth, we always feel that the moon does not turn, and one side of it always turns to people.
But in fact, this is the moon being affected by the tidal locking relationship, and the same is true for Glitzer 581g.
Although it is also busy with rotation and revolving, it is affected by the tidal locking relationship. One side of it is facing away from its home star, so the surface temperature of Glizzer 581g will be very different.
Scientists found that its average surface temperature was minus 31 degrees, but its sun surface was always unbearable, and the back of it was always cold and wind was rustling.
is surprisingly cold and hot, but at the junction of the morning and evening of this planet, scientists boldly speculated that not only is there a surface temperature suitable for human habitation, but it is also very likely that there will be abundant liquid water.
In addition, Glitzer 581g also has a higher concentration of atmosphere like the earth. This protective cover can allow the heat from Glitzer 581g of the ground to be evenly distributed throughout his body.
However, at this time we will also have a new problem: Glitzer 581g is likely to exist, and is also suitable for human migration.
So can we boldly guess: There may be alien civilizations other than life on this planet?
s scientist Stephen Watt also responded to this question in an interview with AP . He said that Glitzer 581g may have alien life, but this phenomenon does not fully prove that people will find aliens on Glitzer 581g.
But we turned around and thought, even if a single-celled organism or mold was found on this planet, it can also indicate that there is life on Glitzer 581g.
Then the earth's status of life uniqueness will also be shaken by Glitzer 581g. It is precisely because of these factors that scientists confidently speculate that the possibility of Glitzer 581g in existence cannot be underestimated.
Special features
Although the day and night on this planet are as long as it is, it has a relatively strong atmosphere. While its heat is evenly distributed to the entire planet, the possibility of nurturing life on this celestial body will be greatly improved.
Scientists believe that the existence of heat and the atmosphere can optimize the living environment of organisms.
In addition, each planet has a negative or positive surface, but as long as the atmosphere of this planet contains 1/10 of the liquid water on the earth and greenhouse gases such as carbon dioxide .
Even the shade of this planet can store a certain amount of heat energy. So from this perspective, even if the surface temperature of Glitzer 581g is very low, some areas may still store enough heat under the premise of liquid water and a higher concentration of atmosphere.
However, since this planet is too far away from the earth, many details are not detected by scientists so far.
, and humans are only in the primary civilization at present. I believe that in the future, when our civilization level rises to the second or third level, and we also master the warp speed technology, if we want to detect whether there are other citizens of the universe in Glitzer 581g, the difficulty will be reduced a lot.
In fact, the discovery of this planet may be good news for humans, which can help us detect more possibilities of life and civilization.
Scientists speculate that perhaps one day the earth's resources will be used up, and then humans must consider moving to other planets. But only in people's perception, it is difficult to find the second celestial body that can give birth to life and civilization. The emergence of
Glizzer 581g seems to preach another new revelation: the earth may not be the most special existence in the vast universe.
Whether it is Milky Way or the entire Virgo cluster, there may be many planets like the Earth that can be suitable for human survival and can give birth to civilization.
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