Isithumankindsgreatestachievement?12billionmilesawayatinyspaceshipisleavingourSolarSystemandenteringthevoidofdeepspace.Itisthefirsthuman-madeobjectevertodoso.SlowlydyingwithinitsheartisaplutoniumgeneratorthatwillbeatforperhapsanotherdecadebeforethelightsonVoyagerfinallygoout.Butthislittlecraftwilltravelonformill...
