Re: Fw: [FT] Islamic Federation ships and request to Nyrath
From: Roger Books <books@m...>
Date: Mon, 23 Aug 1999 20:21:37 -0400
Subject: Re: Fw: [FT] Islamic Federation ships and request to Nyrath
Tom Anderson wrote:
> basically, a tide-locked planet is like a normal planet on which it is
> always the same time of day at any given place. thus, 'darkward' and
> 'lightward' have the meanings that they do during dawn or dusk on a
normal
> planet: at dawn, light is east and dark is west, vice versa at dusk
> (provided the planet spins anticlockwise when seen from above the
north
> pole, as Earth does). thus, lightward and darkward are parallel to
east
> and west; since the equator runs east-west, you can no more be
'slightly
> dark of the equator' than you can be slightly north of the Greenwich
> meridian.
Try a tide locked planet where due north points at the sun. Wait, you
say this can't happen. Well, it doesn't have to be tidelocked to
the sun...
NB. Sun refers to the star that provides energy for the system.
Roger