Re: Time/Space scale
From: Alan E and Carmel J Brain <aebrain@d...>
Date: Fri, 31 Dec 1999 00:14:38 +1000
Subject: Re: Time/Space scale
Oerjan Ohlson wrote:
> > If memory serves, the radius of
> > the Earth is about 12,000 km, or 120 MU.
>
> No, the *diameter* of the Earth is about 12,700 km (equatorial radius
> 6378 km, polar radius 6357 km)
Thanks for the correction! Blame it on Y2k <g>. *Sigh* I've actually
done the software for Navigation Systems, become familiar with WGS-72,
WGS-84 spheroids etc etc. Reminder to self: even when using the simplest
figures, do a sanity check BEFORE you post... 2*pi*d would have shown
the error.
> For an earth-sized planet, this'd be:
> Thrust-2 out to ~10 mu
> Thrust-1 at approx. 10-40 mu
Right.
Thanks again. And a happy new year.
--
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