Mergers transform spiral galaxies into bizarre objects which eventually settle down as elliptical galaxies. We observe merging galaxies in different stages of this billion-year process. I use computers to simulate galactic collisions, reproducing the shapes of galaxy mergers, to understand how mergers transform the galaxies around us.

Joshua E Barnes

Ph.D. 1984, University of California, Berkeley
B.A. 1979, Harvard University
  • Dynamical Reconstruction of Galaxy Collisions
  • Numerical Methods for Galactic Dynamics
IfA Mānoa, C-206
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