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By TechThop Team
Posted on: 16 Aug, 2022
An investigation of rare samples collected during a six-year Japanese space mission suggests that water came to Earth from asteroids from the outer edges of our solar system.
As part of an attempt to shed light on the origin of life and the creation of the universe, researchers are studying materials brought back in 2020 from the asteroid Ryugu.
As a Japanese space probe called Hayabusa-2 landed on the celestial body and fired a rocket at its surface, the probe collected 5.4 grams of rocks and dust.
The material is currently being studied, and in June, a group of researchers announced that they had found amino acids that may have formed in space, an important building block for life.
As reported in a new research article in Nature Astronomy, scientists said the Ryugu samples are worth looking into to get a better understanding of how oceans formed billions of years ago on Earth.
Wet Earth is believed to have been caused by volatile and organic-rich C-type asteroids, which may have been one of the primary sources of Earth's water according to the study by Japanese and other scientists published on Monday.
How volatiles would be delivered to the Earth is still a matter of heated debate,' it said in the report. However, the organic materials found in Ryugu particles may represent an important source of volatiles.
The scientists said such material probably originates from 'the outer Solar System', but it cannot be the only source of volatiles for early Earth for a long period.
The Hayabusa-2 spacecraft was launched in 2014 and spent two years orbiting the planet, dropping a capsule containing a sample away from Ryugu.
The researchers in the study by Nature Astronomy also praised the findings that had been made possible by the mission in the study.
The rug particles are undoubtedly the purest and uncontaminated Solar System materials available for laboratory studies, and further research on these precious samples will certainly expand our understanding of early Solar System processes,' the study said.
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