Ancient stardust extracted from a meteorite contains specks that are up to about 3 billion years older than the solar system, making them the oldest solids ever dated in a lab, researchers report.
Unlike most of the other stardust that went into building our solar system, these microscopic grains have remained intact since they were shed by aging stars billions of years ago. The exotic makeup of the silicon carbide grains, from a meteorite that landed in Australia more than 50 years ago, tipped scientists off that the minerals were older than the solar system
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Unlike most of the other stardust that went into building our solar system, these microscopic grains have remained intact since they were shed by aging stars billions of years ago. The exotic makeup of the silicon carbide grains, from a meteorite that landed in Australia more than 50 years ago, tipped scientists off that the minerals were older than the solar system
Continued...
Source