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Using numerical simulations, we explore the nature of such magnetic field fluctuations, $\\vec{\\delta B}$, over a wide range of turbulent Mach numbers, $\\mathcal{M} = 2 - 20$ (i.e., from weak to strong compressibility), and Alfv\\'en Mach numbers, $\\mathcal{M}_{\\text{A}0} = 0.1 - 100$ (i.e., from strong to weak magnetic mean fields, $B_0$). 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Beattie","submitted_at":"2020-07-28T01:38:59Z","abstract_excerpt":"The rich structure that we observe in molecular clouds is due to the interplay between strong magnetic fields and supersonic (turbulent) velocity fluctuations. The velocity fluctuations interact with the magnetic field, causing it too to fluctuate. Using numerical simulations, we explore the nature of such magnetic field fluctuations, $\\vec{\\delta B}$, over a wide range of turbulent Mach numbers, $\\mathcal{M} = 2 - 20$ (i.e., from weak to strong compressibility), and Alfv\\'en Mach numbers, $\\mathcal{M}_{\\text{A}0} = 0.1 - 100$ (i.e., from strong to weak magnetic mean fields, $B_0$). 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