December 5, 2013
Interstellar travel will depend on the development of new physics. Rocket-based technology will never do it. Voyager 1 will take 25000 years to pass out of the oort cloud, let alone arrive at another system! There is a finite possibility of subatomic particles being anywhere in the universe, but this will have to be translated to a macroscopic scale, in a fully controllable way. This is still probably centuries away! Therefore any discussion of visiting other systems is purely academic at present.
Fifteen years ago, Society members and passionate space advocates like you helped save the Pluto mission. Now we can do the same for missions to Europa and Mars.
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