Electron densities, temperatures, and Debye lengths along the three coordinate axes. (a) Density of the solar-wind electrons (black) and cometary electrons (red) along the x axis. (b) Temperatures in the x (blue), y (green), and z (red) directions shown along the x axis. (c) Debye length of the solar-wind electrons (black) and cometary electrons (red). The cometary electron Debye length is only shown near the origin where the density is high enough for an accurate estimate. (d–f) Same quantities as a–c shown along the y axis. (g–i) Same quantities as a–c shown along the z axis.