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reply to post by ManFromEurope
Bah. Guess I don't understand it, either.
But even if I was incorrect about the mathematics regarding the perceived elapsed time within the vessel when traveling 1 light year away, it still seems that if you traveled at that speed there will be a difference when you return to Earth.
It really is that simple. If we want to travel into the future, we just need to go fast. Really fast. And I think the only way we're ever likely to do that is by going into space. The fastest manned vehicle in history was Apollo 10. It reached 25,000mph. But to travel in time we'll have to go more than 2,000 times faster. And to do that we'd need a much bigger ship, a truly enormous machine. The ship would have to be big enough to carry a huge amount of fuel, enough to accelerate it to nearly the speed of light. Getting to just beneath the cosmic speed limit would require six whole years at full power.
The initial acceleration would be gentle because the ship would be so big and heavy. But gradually it would pick up speed and soon would be covering massive distances. In one week it would have reached the outer planets. After two years it would reach half-light speed and be far outside our solar system. Two years later it would be travelling at 90 per cent of the speed of light. Around 30 trillion miles away from Earth, and four years after launch, the ship would begin to travel in time. For every hour of time on the ship, two would pass on Earth. A similar situation to the spaceship that orbited the massive black hole.
After another two years of full thrust the ship would reach its top speed, 99 per cent of the speed of light. At this speed, a single day on board is a whole year of Earth time. Our ship would be truly flying into the future.
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reply to post by InTheFlesh1980
So the only purpose of this ship would be to collect energy that can be used on Earth. Almost free energy, since all but two year's worth could be used by the people back home.
That's actually kind of clever. You start with one year's worth, and end up with 12 years to spare.
So many actual Physics issues/unknowns in your description it's not really worth attempting..
Aside from time dilation at 99% of c not really providing the benefits you describe:
If you accelerate a high mass object to 99% of C you will need to somehow accelerate its (high) mass back to relative percentile of C at your destination for all parts to remain intact.
This means you can't go 99% of C for the entire journey significantly increasing your journey time.
I guess this would , once energy calculations relating to mass, inertia and time are calculated, probably negate any perceived benefits as described.
edit on 25-11-2013 by Jukiodone because: (no reason given)edit on 25-11-2013 by Jukiodone because: (no reason given)