In-situ observations Solar wind 14 Flux ropes 12 Magnetic clouds 12 Magnetic fields 12 Magnetic flux 12 Magnetic flux ropes 12 Sun: coronal mass ejections (CMEs) 12 Coronal mass ejection 10 Expansion 10 Aspect ratio 8 Astrophysics 8 Boundary layer flow 8 Dynamical evolution 8 Expansion rate 8 Global quantities 8 Helicities 8 Interplanetary medium 8 Interplanetary spacecraft 8 Magnetic configuration 8 Magnetic energies 8 Magnetic structure 8 Magnetohydrodynamics 8 Planetary surface analysis 8 Solar source 8 Sun 8 Sun: magnetic fields 8 Solar energy 6 Arbitrary cross section 4 Boundary pressure 4