Did life on Earth originate from aliens? - Panspermia Hypothesis
One of the most talked-about topics in modern times is how life on Earth began. Although no definitive solution has yet been found, many scientists have expressed differing opinions. One of those opinions is the Panspermia hypothesis. Panspermia hypothesizes that life came to Earth from outer space. This means that life on this planet did not come into existence by chance, but as space dust or from another planet or planet or some other space object.
Considering the facts, this opinion has now become an inescapable hypothesis. At the outset, I would like to point out that all living things, not just mammals, reptiles, and birds, but all invisible micro-organisms, such as bacteria and fungi, are common. Considering the chronology, some scientists point out that it has not yet taken long for life to form on Earth after the Big Bang when life (a group of microbes, such as bacteria) formed on the Earth surface and then evolved. Therefore, some argue that the Panspermia hypothesis should be correct. However, there is no evidence to prove this. According to Panspermia, we created by the evolution of a group of organisms that came through space.
Big bang
Panspermia hypothesis is one of how life comes about, the evolution of life by space dust. You may think this may not be the case, but this is a much-discussed hypothesis. Researchers, including Professor Chandra Wickramasinghe, have found groups of microorganisms that live up to 41 km above the Earth’s surface in the stratosphere. According to him, a large number of these microbial groups live in our atmosphere. They include bacteria as well as viruses. They have found that about 20,000 bacteria per square meter per day fall from the atmosphere to the earth’s surface.
Panspermia
Count Nightmare, CC BY-SA 4.0, via Wikimedia Commons
Explaining how SARS spread, they say that a small amount of the virus originated in the Himalayan region (scientists say it is the closest to the tropics) and gradually migrated to southern China. That is, from time to time, various epidemics may be caused by unidentified viruses coming into space dust, spreading through the atmosphere in the same way that SARS spread, and thus spreading throughout the earth.
In this way, according to the panspermia hypothesis, you will now understand that the idea that life on Earth originated from an alien, is inextricably ingrained in scientists.

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