The weight is expressed in Newtons but the mass in Kg :).
But you are right for light year this is only for distance,
1 light year is the distance that the light do in 1 year.
This is roughly 3*10^8 (m/s)*(3600*24*365)(s)=3*10^8 * 31,536*10^6
=9.46*10^15 meters =9.46*10^12 Km.

Fabian.

Nieminen Juha wrote:
> 
> Ken <tyl### [at] pacbellnet> wrote:
> :> light years measure distance...
> 
> : Time, speed, and distance.
> 
>   Nope, only distance.
>   In the same way newtons measure force, not weight, distance and time.
> 
> --
> main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
> ):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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