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UNSW Postgraduate Course Lecture 3: Galaxy Formation
4. Models: How are galaxies made?
These images are from a
numerical simulation
of the collision of two spiral galaxies containing stars and gas. Eventually the long `tidal tails' fall back and merge into a single object which resembles an elliptical galaxy.
Galaxy Formation Models
dissipation before/after star formation (Shu)
Cold Dark Matter predictions (Ellis)
merging (VIDEO)
harassment (Moore)
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