Fig. 12From: DSMC modeling of rarefied ionization reactions and applications to hypervelocity spacecraft reentry flowsThe number densities for electron, N+, O+ and O2+ around Stardust at H = 80km, V∞ = 12.8km/s. a The electron number density. b The number density of N+. c The number density of O+. d The number density of O2+Back to article page