TY CONF TI Electric currents in the solar corona and the kink instability of magnetic flux rope KW magnetohydrodynamics (MHD) KW Sun: corona KW flares KW coronal mass ejections (CMEs) KW oscillations JO Modern astronomy: from the Early Universe to exoplanets and black holes AU Tsap, Y.. AU Stepanov, A.. AU Kopylova, Y.. PY 2024 PB Special Astrophysical Observatory of the Russian Academy of Sciences