“…Another phenomenon, called superior conjunction, occurred from September 7 to October 12, 1972. During that period, Mars went behind the sun relative to the Earth so Mariner 9 could no longer be communicated with from Earth because of the Solar Corona (Steinbacher and Haynes, 1973;McCauley et al, 1974). has transmitted a total of 54 billion bits of scientific information (Hartmann and Raper, 1974).…”