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Alone in Universe again (Or are we?)
There is an article in Smithsonian magazine where is told, that there are probably way more Earth-like exoplanets than we imagined.
We are a little bit arrogant when we are looking for other intelligent lifeforms. We are denying the possibility to find other intelligent lifeforms. The reason for that is we do not know any plant which is similar to Earth. We know the rocky planets, which are 1,5-4 times heavier than Earth. And we are denying the possibility to find similar intelligent lifeforms with us because the gravity on those planets is too high for the human race. So the first thing that comes to our mind is that the planet must be comfortable for human colonists.
We should think that all species on their home planet are the result of evolution. The species that are advanced on their planet are fully adapt to the conditions on their planet. The same way the organisms on Earth are fully adapted to their environment. When we are thinking about organisms that are living in caves the light is poison to them. The cave-organisms have no eyes, and they have no pigment. So they will get cancer in the sunlight.
But in their environment they are invincible. The same way we can think about the hypothetical aliens. The aliens are also fully adapt to their ecosystem. So the planet with a little bit stronger gravity would be paradise to aliens. In the same way, the dark caves are a paradise for the species that are living in that environment. The caves are hostile places for humans, because in that environment because our skin cannot form D-vitamin in dark conditions. But for animals like Olms, the caves are paradise. So those animals that are living in caves are the aliens on Earth.
We know that forming of the life in our solar system is a coincidence. Forming of intelligent lifeform requires the conditions on the planet that turns the evolution benefit intelligence. Otherwise saying benefiting intelligence means benefiting the quality. That requires that the conditions on the planet are changing that a large number of descendants cannot guarantee the survival of species. That means that the extinctions and revolutions like meteorite impacts have an important role in the evolution of the species on our planet.
But then we must realize that the trees and other kinds of vegetables are also species that are surviving from extinctions and catastrophes. Natural catastrophes are touched also other species or evolutional lines that are forming the human race. And those vegetables do not seem to be intelligent. Until the researchers found strange infrasound from their roots. But when we are thinking about the intelligent species, we must understand that we should describe the intelligence.
Is intelligence the ability to communicate? If we are thinking that communication is the thing, that makes intelligence, we must say that all other species are somehow intelligent. The bugs are communicating with each other by using chemical transporter for their messages. Those chemical transporters are called pheromones. Also, vegetables are calling bugs like ants to protect them against harmful bugs.
Image II: The Olm
So the cooperation between species is a little bit more complicated than we ever thought. When we are thinking about the form of the intelligent species we must know that passive intelligence, which cannot communicate with other species can be intelligent. But it cannot make anything, because making stuff like spacecraft and other kinds of things requires motivation and it requires also curiosity. The species requires the motivation for making technical systems.
Sometimes I have thought what if we have another habitable planet in our solar system? Would we have a little bit of another kind of space technology? Or what if our Sun would be part of the double-star system, where another part is the red dwarf, which has its solar system. Would we like to travel in that system, if it would be at the same distance from our Sun with the Kuiper Belt? That is one version of those "what if" scenarios, but there are no observations about another star orbiting our Sun.
And the fact is that the other star in the double star systems where another part is a red dwarf and another is a normal star can be very high. The distance from the center to the other star could be over the light year. And if the system would be similar to the Gliese 581. That means that the gravity of that solar system would be much higher than a single planet. So in this case the double star could stay together. Even if the distance between the components of the double-star system is many light-years.
But let's go back to searching life forms. The universe is a little bit more than the galaxy, where we are living. Some researchers calculated the possibility that there could be 36 intelligent civilizations in our Galaxy. That is not much. But are we alone in the universe? If we are thinking about the number of stars in our galaxy. And the number of galaxies in the universe. We must say that we are sure that somewhere in the universe is certainly another civilization. So we are a little bit arrogant if we are saying that we are alone in the universe.
https://www.smithsonianmag.com/science-nature/there-are-probably-way-more-earth-like-exoplanets-than-we-imagined-180947564/
https://www.theguardian.com/science/2021/jan/31/professor-avi-loeb-it-would-be-arrogant-to-think-were-alone-in-the-universe-
Image I: https://www.smithsonianmag.com/science-nature/there-are-probably-way-more-earth-like-exoplanets-than-we-imagined-180947564/
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