Sun: heliosphere Magnetic fields 24 Sun: coronal mass ejections (CMEs) 23 Interplanetary coronal mass ejections 18 Solar system 18 Solar-terrestrial relations 18 Interplanetary spacecraft 16 Sun: coronal mass ejection 16 Magnetoplasma 12 Aspect ratio 10 High-energy particles 10 Magnetic clouds 10 Planetary surface analysis 10 Solar wind 10 Ciencias Astronómicas 9 solar-terrestrial relations 9 Flux ropes 8 Magnetic flux 8 Magnetic flux ropes 8 Rope 8 Spacecraft trajectories 8 Statistical distribution 8 Weather forecasting 8 Space weather forecast 6 Spacecraft 6 Sun: corona 5 Activity cycles 4 Affect detection 4 Arrival time 4 Boundary shapes 4