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It is common for asteroids in the solar system to carry water, which is one of the essential building blocks of life. But now, NASA researchers have detected sugar molecules in the two different rocks, adding credence to the idea that the asteroids will play a key role in the support of life.
The researchers said that they discovered the ribose, and the “others” bio-vital sugars, including arabinose and xylose,” adding that the ribose is of vital importance for the RNA (ribonucleic acid), which copies the genetic code in the DNA and delivers them to the ribosomes for the construction of proteins essential to life.
“Another important building block of life, found in meteorites before, including those from amino acids (components of proteins) and nucleobases (the components of DNA and RNA, but the sugars are the missing piece of one of the most important building blocks of life,” said the study’s lead author, Yoshihiro Furukawa, in a statement.
An Artist’s concept of the meteors impact Earth. Some scientists believe that such effects could have delivered water and other molecules, are useful for emerging life on the planet. (Credit: NASA’s Goddard Space Flight Center Conceptual Image Lab)
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“The study is the first direct evidence of the ribose in the area, and the supply of sugar on the world,” Furukawa added. The “alien sugars may have contributed to the formation of RNA in the prebiotic Earth might have led to the origin of life.”
“It is a remarkable fact that a molecule as fragile as a ribose can be found in such an ancient material,” Jason Dworkin, one of the study’s co-authors are underlined. “These results will help us in our analysis of the pristine samples of primitive asteroids in the Ryugu and the Bennu is to be returned to the Japan Aerospace Exploration Agency’s Hayabusa2 and NASA’s OSIRIS-REx spacecraft.”
The space probe Hayabusa2, which is on its way back to Earth, and fired a “bullet” in the natural disaster, Ryugu, in February, the collection of material from the space rock. OSIRIS-REx, which is a trajectory to the asteroid Bennu, has a number of amazing discoveries about the space rock, including the presence of water.
This is a mosaic image of the asteroid Bennu, NASA’s OSIRIS-REx spacecraft. The discovery of sugars in meteorites, supports the hypothesis that the chemical reactions in the asteroid parent bodies of many meteorites – may be the life of the produce. (Credit: NASA/Goddard/University of Arizona)
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Even though the sugar found in DNA has not been observed in any of the meteorite, the researchers noted the presence of “an alien sugar that makes up RNA, it is important, however, with a lot of investigators think that it was for the first time, only to be replaced by DNA.
“The sugar in DNA is 2-deoxyribose) was not detected in any of the rocks analyzed in this study,” said Danny Glavin, a co-author of the study, the study added. “This is important, because it is not there, it would have been more of a supply abnormality of an alien ribose at the beginning of the Earth, which is consistent with the hypothesis that RNA evolved first.”
The researchers ruled out the possibility of the earth that sugars as they are analysed, in which the carbon in the sugars from the meteorite were significantly enriched in the heavy 13C, out of the amount seen in earth’s biology.”
The study has been published in the scientific journal Proceedings of the National Academy of Sciences.
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In a study published in October of 2018 is suggested that cometlike objects, such as the mysterious Oumuamua, it would be “fly-by” of the germs of life across thousands of light-years, with the increase of the idea of panspermia, the hypothesis that life on Earth originated from microbes in the area, it is very accurate.
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Fox News’ James Rogers contributed to this report.