What do we now understand to be the primary difference between normal galaxies and active galaxies?

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asked Jul 21, 2020 195k views

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Shixin Zeng · Answer 1 · 2020-07-28T03:57:55+0000

Answer:

active galaxies are extremely bright and travel faster than normal galaxies. The mass of active galaxies is confined to a smaller space and they have some activity in their nuclei which produces an enormous amount of energy in a very small volume of space.

What do we now understand to be the primary difference between normal galaxies and active galaxies?

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