Asteroid Ryugu possibly did not travel as far from its place of origin to its current near-Earth orbit as previously assumed. New research suggests that Ryugu was formed near Jupiter. Earlier studies had pointed to an origin beyond the orbit of Saturn.
Samples of asteroid Ryugu have once again caused a surprise -- and call into question previous ideas about the formation of carbon-rich asteroids
Ryugu's"family relations" can help shed light on its origin and further evolution. To what degree does Ryugu resemble the representatives of well-known classes of meteorites? These are fragments of asteroids that have made their way from space to Earth. Investigations in recent years have yielded a surprise: Ryugu fits into the large crowd of carbon-rich meteorites, the carbonaceous chondrites, as expected.
According to the researchers, the first carbonaceous chondrites began to form around two million years after the formation of the Solar System. Attracted by the gravitational force of the still young Sun, dust and the first solid clumps made their way from the outer edge of the gas and dust disk into the inner Solar System, but encountered an obstacle along the way: the newly forming Jupiter.
Asteroids Comets And Meteors Sun Solar Flare Astronomy Space Probes Jupiter Extrasolar Planets
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