The Filamentary Funnels That Form Stars
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The Filamentary Funnels That Form Stars

The universe is full of fascinating structures, and some of the most striking take shape inside the giant clouds where stars are born. There, streams of gas appear to converge from all directions toward a dense central hub, like spokes meeting at the center of a wheel. New simulations show why this is, and why star formation overall is so inefficient.