[sac-forum] Re: Scale model of Solar System

Good morning!

Pluto's average is 39" (a meter!), but with its great eccentricity, it's
just been able lately to make it onto a yardstick. It was inside the orbit
of Neptune there for a while and I will be looking forward to that again in
another 250 years.

Jack

> 
> > Just too cool!  It's also very interesting that H.A. Rey 
> pointed out an
> > easy way to visualize astronomical distances. He noticed 
> that the number
> > of A.U. in a light year is almost equal to the number of inches in a
> > mile (63,360). Therefore if the Earth is visualized as 1 
> inch from the
> > Sun, all the planets would fit on a yardstick.
> 
> Jack, et al,
> 
> Maybe I'm foggy and the morning coffee hasn't kicked in, but isn't a
> yardstick 36" long? And isn't Pluto 40 A.U.
> away from the sun?  You'll end up 4" shy.  (There's a really 
> bad joke in
> there somewhere.....:-P)
> 
> Thad
> 
> 
>

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