curprev15:3415:34, 26 March 2015 35.2.93.67talk 5,583 bytes−4 Changed the word "majority" to "many" in the second sentence. 21 missions, while impressive, is hardly a "majority" of all of NASA's solar system exploration projects.undo
curprev15:3015:30, 26 March 2015 35.2.93.67talk 5,587 bytes−52 Removed a sentence incorrectly stating that the Advanced Composition Explorer (ACE) was an experiment rather than a spacecraft mission.undo