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FrankDrake CarolynPorco JohnCasani LawrenceKrauss TimothyFerris EdwardStone NickSagan LarrySoderblom CharleyKohlhase FranBagenal JamesF.Bell FrankLocatell SuzanneDodd JonLomberg HeidiHammel
Isithumankind'sgreatestachievement?12billionmilesawayatinyspaceshipisleavingourSolarSystemandenterin
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