SMRTR Science & EngineeringAug 10, 2025Live Science

Scientists may finally know why the first stars in the universe left no trace

SMRTR summary

New research suggests the first stars in the universe formed in violent, turbulent environments and were much smaller than previously thought—around 8 solar masses instead of 100. Computer simulations show these stars likely formed in clusters rather than in isolation, explaining why newer stars lack chemical signatures of giant predecessors. This discovery helps scientists better understand galaxy formation and early cosmic history, with researchers now planning additional simulations that may include magnetic fields.

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