The latest evidence shows that life on our planet may have arrived from some object which crashed on the earth from outer space.
Life on earth has been compared to Lego building blocks. The billions of permutations of countless amounts of these construction-joinables was what probably occurred on a physical, chemical and biological level in the ancient past.
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Yet in real life terms, the building blocks of life are pretty much an enigma. After many years of experimenting with the chemical building blocks of life, nothing even close to a living creature emerged from the lab test tubes.
This proves that life probably had its origins from some other source than any chemicals found on the earth.
The main ingredients for life may be available in space. While this may seem a very strange idea, it could turn out to be true after all. These seeds of life may even have gone on to land on other planets besides the earth.
This is an intriguing thought. Life’s extraterrestrial origins got plenty of support when scientists recently produced ribose which is a sugar that played a role in early life forms.
An artificial piece of interstellar ice was targetted with UV light rays. As the grains of ice and dust underwent irradiation, it was supposed that these ribose-infused particles may have landed on earth in the form of a comet in archaic times.
This crash of a comet on the earth’s surface led to an enrichment of the primordial soup or primal ooze from which all life derives. Life does resemble Lego blocks that have gone on to form an infinitely complex Lego castle. The only difference is that, in case of life itself, the Lego blocks fell out of the sky onto the lap of the earth.
This study was published in the journal Science.
The astrobiologists are busy working on it. The universe may have all the necessary ingredients needed to compose life on any planet or planets for that purpose. Ribose has not been found in the context of a comet before.
Thus the fact that the experts finally found evidence of traces of it shows that life is possible from simpler compounds. It is all a matter of chemical imperialism.
Whatever the case, the simple sugar named ribose plays a pivotal role in the narrative of life on earth. Before DNA came along, the world ran on RNA.
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Strands of RNA populated the primordial soup before life had any form at all. A comet from outer space may have been responsible for the beginning of life forms on earth after all.