[TML] Alderson disk

[Greg]

Keep 'em long. Adds to the weirdness factor.

On Dec 10, 2007 12:00 PM,  <shadow at shadowgard.com> wrote:
> Did a rough calculation a bit ago. Looks like if I want the sun to
> reach 45 degrees above the horizon at 1 AU from the center, the days
> are going to be *really* long.
>
> I get a figure of 48 hours from sunhigh to sunset. Which gives a
> cycle like this (using A and B to represent the sides of the disk):
>
> time A         B
>   0  sunhigh  midnight
>  48  sunset   sunrise
>  96  midnight sunhigh
> 144  sunset   sunrise
> 192  sunhigh  midnight
>
> That's just a hair extreme.
>
> Also, the motion of the sun will be really non-linear. I'll be
> writing a program to give time and angle at 1 AU later (ignoring
> atmospheric refraction). Other latitudes can be worked out easily
> from that.
>
> If folks are interested in working on this, I'll stick stuff up on a
> web page as we nail stuff down.
>
> ps. to get 12 hours from sunhigh to sunset gives really low sun
> angles. So if folks think the long days and nights can be worked
> with, I'd rather keep them.
>
> --
> Leonard Erickson (aka shadow)
> shadow at shadowgard dot com
>
>
> _______________________________________________
> TML mailing list
> TML at travellercentral.com
> http://lists.travellercentral.com/mailman/listinfo/tml
>



-- 
Da Dukk, on the road again!
http://www.NWGamers.org - for a good time!
http://greg.nokes.name Ramblings from the Roost - For a Bad Time!