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Extraterrestrial life: The official version of alien life

blank - Extraterrestrial life: The official version of alien life

Extraterrestrial life, also called extraterrestrial life (or, if it is a sensitive or relatively complex individual, an “extraterrestrial” or “extraterrestrial”), is an extraterrestrial life that does not originate on earth. These hypothetical life forms can range from simple prokaryotes to creatures with civilizations that are far more advanced than humanity. The dragon equation speculates on the existence of intelligent life in other parts of the universe. The science of extraterrestrial life in all its forms is called exobiology.

The official version of alien life

Since the middle of the twentieth century, there has been a continuous search for signs of extraterrestrial life. This includes the search for present and historical extraterrestrial life and a closer search for extraterrestrial intelligent life. Depending on the search category, the methods range from the analysis of telescope data and samples [3] to radios used to detect and send communication signals.

The concept of extraterrestrial life and intelligence, especially extraterrestrials, has had a great cultural impact, mainly in science fiction works. Over the years, science fiction communicated scientific ideas, imagined a wide range of opportunities, and affected the general interest and perspective of extraterrestrial life. A common space is a debate about the wisdom of trying to communicate with extraterrestrial intelligence. Some encourage aggressive methods of trying to make contact with intelligent extraterrestrial life. Others – citing technologically advanced human societies’ tendency to enslave or destroy less advanced societies – argue that it can be dangerous to actively pay attention to the earth.

It has adopted extraterrestrial life, such as microorganisms, in the solar system and throughout the universe. This hypothesis is based on the large size of the observable universe and consistent physical laws. According to this argument, put forward by scientists such as Carl Sagan and Stephen Hawking, as well as well-known thinkers like Winston Churchill, it would be unlikely that life existed anywhere other than Earth.

This argument is embodied in the Copernican principle, which states that the earth does not have a unique position in the universe, and the principle of mediocrity, which states that there is nothing special in life on earth. The chemistry of life may have begun shortly after the Big Bang, 13.8 billion years ago, during a habitable era where the universe was only 10-17 million years old. Life may have arisen independently in many places in the universe.

Alternatively, life may have formed less frequently and then spread – for example, meteoroids – between inhabited planets in a process known as panspermia. In any case, complex organic molecules may have formed in the protoplanetary disk of dust grains that surround the sun before the formation of the earth. According to these studies, this process can take place outside the Earth on several planets and moons in the solar system and on planets from other stars.

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Extraterrestrial life: The official version of alien life

Since the 1950s, scientists have suggested that “buildable zones” around stars are the most likely places to find life. Many discoveries in these areas since 2007 have generated numerical estimates of planets similar to Earth – in terms of composition – for many billions. As of 2013, only a few planets have been discovered in these areas.

However, on November 4, 2013, astronomers reported, based on data from the Kepler Space Mission, that there could be up to 40 billion Earth-sized orbits in built-up zones of stars similar to the Sun and Red Dwarves in the Milky Way, 11 billion of which can orbit stars similar to the sun. The nearest planet maybe 12 light-years away, according to researchers.

Astrobiologists have also considered a vision to “follow the energy” in potential habitats

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