SMRTR Science & EngineeringJan 4, 2026Nautilus

Everything We Thought We Knew About How Stardust Spreads Across the Cosmos Is Wrong

SMRTR summary

Scientists long believed stellar winds alone carried life-essential elements like carbon and oxygen across space from red giant stars, but new telescope observations of star R Doradus reveal dust particles are too small to escape through radiation pressure alone. Researchers now must explore alternative mechanisms like convective bubbles or stellar pulsations to explain interstellar dust transport.

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