The possibility of life on a meteorite older than the solar system, an important element found


New delhi date. 02 March 2023 Thursday

A life-enhancing element has been found on Ryugu, a meteorite orbiting the Sun between Earth and Mars. This meteorite is older than the solar system, meaning it has been around since before the solar system was formed. Japan's Hayabusa 2 spacecraft took a 5 gram soil sample from this asteroid in 2020. Then he returned to earth.

When this soil was examined, life-enhancing elements were found within it. Apart from carbon, 15 different types of amino acids have been found in its soil. which is important for the origin of life. This element is not currently alive but it can give rise to life. So scientists are calling this amino acid prebiotic.


Whether these life-giving elements have the ability to survive on meteorites has not been confirmed, but the presence of prebiotic elements has already determined that life can be managed even in a harsh environment. A bad environment means more solar waves, heat, ultraviolet irradiation along with intense vacuum-like conditions.

Kyushu University's lead researcher Hiroshi Naraka said that Ryugu's clay is known to be able to preserve the elements of life. This means that meteorites may have helped or may have spread life throughout the solar system. This could also mean that life was brought to Earth by an asteroid.


The Ryugu meteorite was formed at a time when the solar system was not yet formed. The meteorite formed during the primordial cloud when interstellar dust was swirling around. This means that the elements necessary for the origin of life were present before the formation of the solar system. Ryugu is a carbonaceous meteorite, meaning that like 75 percent of meteorites in the Solar System, it is composed of carbon.

The origin of this meteorite is believed to be 450 million years ago, which means that the elements of life present on it could be that ancient. NASA requested a sample of Ryugu from the Japanese space agency. He got a 10 percent sample of 5 grams. Similar research is being done in Europe as well. Another international team is studying it by taking a 30 microgram sample. So that the solvents and organic matter present in the soil can be examined.

Carbon, hydrogen, nitrogen, oxygen, sulfur and 15 amino acids were found in the soil of Ryugoo. Apart from this, nitrogenous amines and carboxylic acids have also been found. which is made up of a mixture of carbon, hydrogen and oxygen, but the researchers did not find sugars or nucleobases in Ryugu's soil, which make up DNA and RNA.

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