Science Art: Variation of the Electron Density with Altitude in the Venusian Ionosphere, 1975.

VariationOfTheElectronDensityWithAltitudeInTheVenusianIonosphere

A look at the solar wind – charged particles whipping off our nearest star – and what they do to the second planet out, Venus.

From a NASA technical document, a translation of a Russian overview of observatons from Venus probes. “Hey guys!” it starts. “Not so hospitable down there as we thought!”