(ORDO NEWS) — To date, mankind has no evidence of the existence of life outside the Earth.
However, it would be strange to say that among the trillions and trillions of stars in the universe, only our tiny planet turned out to be inhabited.
To find a habitable planet, or at least designate it as potentially habitable, scientists have to regularly improve existing models of the search for extraterrestrial life.
Admittedly, the best candidate for habitability is an Earth-like planet with a dense atmosphere orbiting a sun-like star or a very quiet red dwarf.
In addition, such a planet must be in the habitable zone, which guarantees acceptable temperatures that keep water in a liquid state.
In other words, when trying to find alien life forms, scientists first try to find planets that will be as similar to Earth as possible.
Why is that? Because we know about the existence of only earthly life and we have to rely on this meager experience.
It is for this reason that there is a possibility that, having discovered extraterrestrial life, scientists will not understand it.
They can tritely ignore the information that is already at their disposal, hiding in the general data array.
Probably, we have already discovered dozens of inhabited planets, found the homes of unknown civilizations, but we lose sight of this, continuing the endless search.
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