13 febrero 2015
Valentine’s Day is special for NASA’s Voyager mission. It was on Feb. 14, 1990, that the Voyager 1 spacecraft looked back at our solar system and snapped the first-ever pictures of the planets from its perch at that time beyond Neptune.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aPQygRIWk18/150213180006.htm
