More and more experts do not hesitate to express their conviction that we are not alone in the Universe. This belief is sometimes supported by scientific studies like the one recently published, which reveals the existence of 2 galaxies that can host “hyper-advanced” aliens.
A Article scientist has revealed startling news about our Universe, showing the possibility of find galaxies that have advanced life.
Galaxies with alien life?
chinese astronomer, Hongying Chenfrom the University of Leiden, with the astrophysicist from the University of Manchester, Michael Garrettthey have scoured the northern skies in search of hyper-advanced aliens that fall into the category Kardashev Type III.
Apparently, of the 21 galaxies studied, 2 exhibited Outlying values which correspond to the scale.
It should be noted that the Kardashov scale is a measurement developed in 1964 by Soviet astronomer Nikolai Kardashov.
It is mainly used for study intelligence of a possible extraterrestrial civilization depending on the amount of energy it uses.
Residual heat captured in the infrared of galaxies. Credit: Monthly Notice of the Royal Astronomical Society/H. Chen and Mr. Garrett
For example, humanity reaches Type Ireached a total of 0.73 points. This means that civilization can only use energy from the planet half.
Therefore, it has not yet reached a point of development where to take full advantage of solar energy that reaches the Earth, and therefore, experts believe that there is still a lack 100 to 200 years to achieve full Type I.
There are 2 other types on the scale, the Type IIwhich civilizations are capable of carry energy from its star and Type III, which are at a much higher level and can use all the energy What’s in your galaxy?
This would only be possible thanks to a Dyson Sphere; hypothetical megastructures that would surround the star to store all the energy it generates.
Much higher power consumption
These civilizations would have a much higher energy consumption than humanity.
Dr. Chen explained that Type III civilizations have, by definition, a energy need which would generate a large excess of emission in the middle infrared, or MIR for its acronym in English. It concerns with the residual heat they cause.
As a result, galaxies ILT J134649.72+542621.7 and ILT J145757.90+565323.28became the main target of investigators.
As explained, in both cases there was a sharp increase in emissions in the mid-infrared. Their emissions can be observed at other wavelengths, such as X-ray, opticaleven if your power distribution is spectral to an active galactic nucleus or similar to a star-forming galaxy.
Experts explained that they may also have high resolution radio observations on them to assess their morphology.
If, indeed, it were a civilization capable of taking advantage of all the power emanating from its star to satisfy its needs as a species, this would mean that it is very more advanced than humanity.
Artist’s impression of a planetary system and exoplanets. Credit: Science Advances / Lorenzo Santinelli
In fact, it would be at a point where it could not only draw energy from its host star, but also from others nearby. Something that, in simple terms, could present a threatens for Humanity.
You might also be interested in: According to a scientific study, there are 36 extraterrestrial civilizations in our galaxy that could be contacted.
For now, scientists will now focus on finding out where the increased infrared in galaxies comes from, and very soon, cover the entire northern sky in search of other hyper-advanced civilizations.
This and other scientific advances bring us closer and closer to the possible discovery of civilizations far more advanced than us. But would we do the right thing by showing them where we are?
The research was published in the scientific journal Royal Astronomical Society Monthly Notice.
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