Why is Hu Jintao referred to as a scientist when in the next sentence it's clearly stated that he was trained as an engineer? I see the general public often being confused by the two terms, but I expect better from a slashdot posting. Scientists study the world as it is, engineers create the world that never has been. - Theodore Von Karman http://www.todayinsci.com/K/Karman_Theodore/KarmanTheodore-Quotations.htm

Much of this "new" information was published in 1985 Kelly Johnson's biography, "More than My Share of it all". A fabulous read: http://tinyurl.com/d4ej8b

the NASA/JPL spacecraft was Marinner 9, the USSR spacecraft was Mars 2 and 3 in 1971 http://mars.jpl.nasa.gov/missions/past/mariner8-9.html