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the 'building blocks' of galaxies | have long longtimes | Can range from several million years old (heaviest) to 10+ billion years old (lightest) | Elements heavier than Li created in supernovae events | May drive mass outside of galaxies, impacting how the Universe evolves over time

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1. the 'building blocks' of galaxies | have long longtimes | Can range from several million years old (heaviest) to 10+ billion years old (lightest) | Elements heavier than Li created in supernovae events | May drive mass outside of galaxies, impacting how the Universe evolves over time





 
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