Isithumankind'sgreatestachievement?12billionmilesawayatinyspaceshipisleavingourSolarSystemandenteringthevoidofdeepspace.Itisthefirsthuman-madeobjectevertodoso.SlowlydyingwithinitsheartisaplutoniumgeneratorthatwillbeatforperhapsanotherdecadebeforethelightsonVoyagerfinallygoout.Butthislittlecraftwillt...
