[Nathan Zachary]

" Did Mars experience the same drop in temperatures between 1945 and 1975? Somehow I doubt it."

So do, simply because mars is futher away and would take longer for the solar radiation effecting earth to reach it.

[palmer]

So do, simply because mars is futher away and would take longer for the solar radiation effecting earth to reach it.

Only a few minutes longer. The sun's changes undoubtedly affect both planets in various ways, but there should be no appreciable lag in changes.