It is quite possible we may have formed entirely erroneous ideas of what we actually see. The greenish gray patches may not be seas at all, nor the ruddy continents, solid land. Neither may the obscuring patches be clouds of vapor.
“There are no pat answers - we're pushing through some new frontiers, and lessons of the past don't always apply.”
“The first guy who came up with the concept of religion was sitting out under a tree. I'm sure of that.”