How are the bars in barred spiral galaxies thought to have formed?(1 point)

Responses

merging
merging

separation
separation

primordial collapse
primordial collapse

slow evolution
slow evolution

1 answer

The bars in barred spiral galaxies are thought to have formed through slow evolution. This involves the gradual dynamics of the galaxy's stellar and gas components, where interactions and resonances lead to the development of a bar structure over time.