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Over the past several decades, a handful of familiar stars in nearby galaxies have exploded in supernovae. Most of these stars were red supergiants, which matches the theoretical expectation that most supernovae occur when the core of a red supergiant star collapses. This was the supernova SN 1987A,.

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Faculty of Mathematics and Natural Sciences. Institute for Theoretical Physics and Astrophysics. ITAP - Department of Astrophysics. The astrophysical department is focused on accretion physics. Thereby hydrodynamic transport mechanisms and radiative transfer are used.

Le mystérieux satellite de Vénus.