Re: Astronomical Unit (AU)

["Bernard G. Cleyet & Nancy Ann Seese" <georgeann@REDSHIFT.COM>]

Perhaps that's because students are not taught from a young age that 8
minutes is somewhere between 7.5 to 8.4 min.???

bc



Leigh Palmer wrote:

> > Regarding Leigh's confirmation of my 1 AU distance quote from JPL:

> cut ------

> > David Bowman
> > David_Bowman@georgetowncollege.edu
>
> Ah!!! I was hoping someone would grab that bait. I set that that trap

cut ---------

> Unit. That "eight minute" number we learned in elementary school just
> annoys me with its imprecision and needless inaccuracy. Remember also
> that there is a +/- nine second variation due to the eccentricity of
> Earth's orbit in the actual transit time.
>
> Leigh