The changing morphology and increasing deceleration of supernova 1993J in M81

@article{Bartel2000TheCM,
  title={The changing morphology and increasing deceleration of supernova 1993J in M81},
  author={W Bartel and Bietenholz and Rupen and Beasley and S Graham and Altunin and Venturi and Umana and Cannon and Conway},
  journal={Science},
  year={2000},
  volume={287 5450},
  pages={112-6}
}
Twenty consecutive Very Long Baseline Interferometry images of supernova 1993J from the time of explosion to the present show the dynamic evolution of the expanding radio shell of an exploded star. High-precision astrometry reveals that the supernova expands isotropically from its explosion center. Systematic changes in the images may reflect a pattern of anisotropies and inhomogeneities in the material left over from the progenitor star. As the shock front sweeps up the material in the… CONTINUE READING

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