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originally posted by: LogicalRazor
The only realistic solution would be to warp space as in the Alcubierre model, or jump large distances in an instant (Wormholes etc).
Perhaps no civilization will ever do this....perhaps our experimentation with gravity, magnetic fields....will lead to humanity achieving time travel. Maybe all the sighting are us ;-)
originally posted by: stormbringer1701
originally posted by: Tichy
a reply to: JadeStar
Maybe one doesn't even need to visit the "neighbour" to get a sufficient amount of antimatter (antiprotons), that is enough to serve as fuel for spaceships or probes for interplanetary travel.
Based on the PAMELA experiment, a group of scientists could show, that there's a certain amount of antiprotons, trapped in the magnetosphere of our earth (and are a result of interactions between cosmic rays and the terrestrial atmosphere).
I'm not sure if it really could serve as a potential pool but it sounds promising.
Some even speculate, if there couldn't be huge amounts of antimatter particles trapped within the magnetosphere of Jupiter, since he has the biggest magnetic field within our solar system.
Not only is everything you just said true but there are additional sources of antimatter in the solar system every place that has a magnetic field,the sun, and the heliopause even thunderstorms on earth. Furthermore over the years our ability to manufacture antimatter have improved at a greater than exponential rate. the last news i read was an article that said we could produce about a gram a year with just one machine. antimatter power is growing up fast.
EDIT: there are several space ship designs that can do a mission on less than a gram.
Antimatter catalyzed nuclear pulse propulsion:
140 nanograms to mars in 30 days! Wheeeeeee!
AIM and AIMSTAR series.
28 micrograms per 10K astronomical Units