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SSPSF model

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The SSPSF (stochastic self-propagating star formation) model of star formation was proposed by Mueller & Arnett [1] in 1976, generalized afterward by Gerola & Seiden [2] in 1978 and Gerola, Seiden, & Schulman [3] in 1980. This model proposes that star formation propagates via the action of shock waves produced by stellar winds and supernovae that compose the interstellar medium.

SSPSF processes were demonstrated in an early prototype ("Gaslight") of the 1998 video game Spore.

1. Mueller, W. K., & Arnett, W. D. 1976, ApJ, 210, 670.
2. Gerola, H., & Seiden, P. E. 1978, ApJ, 223, 129.
3. Gerola, H., Seiden, P. E., & Schulman, L. S. 1980, ApJ, 242, 517.