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

https://mcss.wustl.edu/xml/article/15300/rss.xml
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Ancient grains of dust from space can be found on Earth − and provide clues about the life cycle of stars

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

In space, there are clouds that contain gas and dust ejected from stars. Our solar system was formed 4.6 billion years ago from such a molecular cloud.