The Turbulence of Making Stars
The process of star formation is one we still don't understand very well. Here is a beautiful simulation of an initially turbulent interstellar cloud of gas collapsing to form many stars. The simulation, by Matthew R. Bate, Ian A. Bonnell, and Volker Bromm lets the gas turn into stars and then follows their motions. The stars are the little dots.
There is still considerable debate about how much a simulation like this captures reality but, in and of itself, it is a joy to watch.
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