What astrophysical event is the prevailing model for forming large elliptical galaxies?

Answer

Galaxy mergers between two or more spiral galaxies

The distinct, disk-free structure of elliptical galaxies arises from violent gravitational interactions, where mergers scramble the ordered, rotational motion that defined the original disk shapes.

What astrophysical event is the prevailing model for forming large elliptical galaxies?

#Videos

Do Elliptical Galaxies Have A Disk Component? - Physics Frontier

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