Ancient Dust Grains Hold Magnetic Clues to the Sun's Birth

August 30, 2026 Universe Today

Ancient Dust Grains Hold Magnetic Clues to the Sun's Birth
By Carolyn Collins Petersen (https://ift.tt/CYhKGcR)

Our early Solar System likely had embedded magnetic fields at work even before the Sun was born, according to a new study. Credit: Hernán Cañellas

Those little dust grains that fall to Earth during meteor showers or end up as part of larger meteorites found on Earth may hold surprising clues to the formation of the Sun. That's because they record the state of the magnetic field in the protostellar nebula from which Earth (and ultimately the planets) formed.

August 30, 2026 at 05:14PM
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