Asteroid Ryugu Reveals Ancient Grains of Stardust Older Than The Solar System - ScienceAlert

Tiny fragments of rock brought back from an asteroid in near-Earth solar orbit are so old, they predate the Solar System.

Tiny fragments of rock brought back from an asteroid in near-Earth solar orbit are so old, they predate the Solar System. A new analysis of samples of asteroid Ryugu has revealed the presence of min… [+3557 chars]

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