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Do we understand yet, in detail, the process that creates and maintains these jets?

Is it the same process for stars, for neutron stars, for black holes, and for galaxies?

Do these jets have any role in the evolution of the large-scale organization of the universe, the formation of galaxies, or the formation of stars; or are they just decorative?

If the former, what parameters of existing models that have been made to approximate universal evolution are skewed by their neglect of the contribution of jets at all scales?




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