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Questions regarding interactions between galaxies or between major parts of a galaxy.

2 votes
1 answer
84 views

Galaxy interactions

What causes galaxies to merge, rather than orbit indefinitely?
RUNN's user avatar
  • 165
3 votes
1 answer
95 views

What's so interesting about Coma-type galaxy clusters?

When the dynamical mass of a proto-cluster of galaxies is ~(1-2)x1014 Msolar, the proto-cluster is expected to evolve into a coma-type cluster. In almost every paper I read about the confirmation of …
RUNN's user avatar
  • 165