What Physical Processes Drive the Interstellar Medium in the Local Bubble?

  title={What Physical Processes Drive the Interstellar Medium in the Local Bubble?},
  author={Dieter Breitschwerdt and Miguel A. de Avillez and Burkhard Fuchs and Christian Dettbarn},
  journal={Space Science Reviews},
Recent 3D high-resolution simulations of the interstellar medium in a star forming galaxy like the Milky Way show that supernova explosions are the main driver of the structure and evolution of the gas. Its physical state is largely controlled by turbulence due to the high Reynolds numbers of the average flows. For a constant supernova rate a dynamical equilibrium is established within 200 Myr of simulation as a consequence of the setup of a galactic fountain. The resulting interstellar medium… 

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