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  Ancient grains of dust from space can be found on Earth − and provide clues about the life cycle of stars 

 Specks of dust known as presolar grains predate our solar system and contain information about stars that died long before our cosmic neighborhood formed. 

https://cdn.mos.cms.futurecdn.net/4JvYoeYzFhSDTpi49BA6VP.jpg

https://www.space.com/ancient-grains-dust-space-earth-life-cycle-stars