Ryugu grains reveal solar system origins

This is a news story, published by ScienceDaily, that relates primarily to Ryugu news.

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Asteroid grains

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asteroid Ryugu

ScienceDaily

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Asteroid grains shed light on the outer solar system's origins

Summary

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81% Informative

Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago .

The findings suggest the distal solar system harbored a weak magnetic field, which could have played a role in forming the giant planets and other objects.

Scientists previously determined that a magnetic field was present throughout the inner solar system.

Researchers reexamined data from previously studied meteorites that have properties characteristic of having formed in the distal solar system.

They determined that the samples held no clear sign of a preserved magnetic field.

This suggests either there was no nebular field present in the outer solar system where asteroid first formed, or the field was so weak that it was not recorded in asteroid's grains.

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