Clouds 7 Interplanetary medium 7 Interplanetary spacecraft Magnetic fields 7 Magnetohydrodynamics 7 Solar wind 7 Expansion 6 Magnetic clouds 4 Aspect ratio 3 Astrophysics 3 Boundary layer flow 3 Coronal mass ejection 3 Coronal mass ejections (CMEs) - Solar wind - Interplanetary medium 3 Cross section 3 Dynamical evolution 3 Expansion rate 3 Flux ropes 3 Global quantities 3 Helicities 3 In-situ observations 3 Interplanetary coronal mass ejections 3 Interstellar mediums 3 Link structure 3 Magnetic configuration 3 Magnetic energies 3 Magnetic fields - Magnetohydrodynamics (MHD) - Sun 3 Magnetic flux 3 Magnetic flux ropes 3 Magnetic force 3 Magnetic-field intensity 3