16 diciembre 2014
The Voyager 1 spacecraft has experienced three shock waves. The most recent shock wave, first observed in February 2014, still appears to be going on. One wave, previously reported, helped researchers determine that Voyager 1 had entered interstellar space.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oUJMdA5UbTY/141215204228.htm
