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A mysterious cosmic hum may come from 13-billion-year-old dark stars

Today’s mysterious gravitational-wave background may preserve clues about how the Universe’s first supermassive black holes formed. Descendants of hypothetical Dark Stars could be responsible for a major portion of the signal, offering a surprising new way to investigate cosmic dawn and dark matter.

We haven't written up this one. ScienceDaily has the full story — the link below goes straight to it.

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