Orval Fairbairn <
orfai...@earthlink.net> wrote:
> > > If you get up to SOL, in one year you would have travelled one light
> > > year,
> > > so to
> > >
> > > travel hundreds or thousands of light years would require hundreds or
> > > thousands
> > >
> > > of years.
> > >
> > >
> > >
> > > Not to mention that as you accelerate matter to light speed it kind of
> > > assumes
> > >
> > > infinite mass...not good for the other grantlands in the universe
> >
> > You are the observer. They are the travellers. They experience Newtonian
> > laws all the way; you are constrained by Einstein. Time dilation makes the
> > trip short and fast for THEM, not you.
>
> You forget that they then have to decelerate by the same amount that
> they accelerated to in order to land. There is also the matter of
> encountering small (and large -- even planet-sized) objects while at
> light speed. The result is the total conversion of particles from mass
> into energy. A grain of sand has the mass energy of a nuclear weapon.
>
> I'm not sure that a starship of this concept (or its occupants) would
> survive the journey.