Radial direction 8 Amides 4 Aspect ratio 4 Average numbers 4 Characteristic times 4 Clouds 4 Colloids 4 Cross section 4 Dipole orientations 4 Dynamical evolution 4 Dynamical properties 4 Dynamics 4 Equimolar mixtures 4 Expansion 4 Expansion rate 4 Flux ropes 4 Global quantities 4 Head groups 4 Helicities 4 Hydrogen 4 Hydrogen bonds 4 In-situ observations 4 Interplanetary coronal mass ejections 4 Interplanetary medium 4 Interplanetary spacecraft 4 Interstellar mediums 4 Ionic species 4 Ionization of liquids 4 Length scales 4 Life-times 4