"By late 1961 we already had fly-by photos which indicated what the surface of Mars and Venus were really like. But the knowledge was not yet so disseminated to the public, and so one could still get away with a story of the older variety... That was it.
By mid-1961, images demonstrated what Mars and Venus were like. Nevertheless, this information was not widely disseminated to the public, enabling stories of an older genre... That was it.