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The oldest material on Earth has been found in a meteorite

This may be of interest to the science lovers.


Many of the grains recovered were between 4.6 and 4.9 billion years old, while others were older than 5.5 billion years.

They also learned that seven billion years ago, more stars began forming.


Our sun is around 4.6 billion years old, meaning this stardust existed long before our sun or solar system were even a reality.


That's a just "wow" concept. 5.5 billion years is (currently) the oldest thing to (fall to) Earth. I wonder what its part of the universe was/is like? And since it fell to earth about 50 years ago, what it was doing for the other +5B years...

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