If double stars have one black hole and one ordinary star, black hole can pull gas from star, making an accretion disk. Gas has fast-moving charged particles, whose magnetic interactions cause turbulence {magnetorotational instability} (MRI).
Physical Sciences>Astronomy>Universe>Cosmology>Singularity>Black Hole
5-Astronomy-Universe-Cosmology-Singularity-Black Hole
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Date Modified: 2022.0224