[TML] "Dies the Fire"

Timothy Little tim at little-possums.net
Tue Dec 11 05:36:23 MST 2007


On Mon, Dec 10, 2007 at 03:59:04AM -0500, Jerry W Barrington wrote:
> Personally, I'd say escape would be easiest from the rim.  Any
> pointers to the math on the gravity?

Yes, it is easiest to escape from the rim.  


> And why 10 AU with a 1 AU hole?  Seems excessive, even for a broad
> interpretation of the habitable zone.  Of course one problem with
> such a disk is the perpetual twilight...

A wide disk is needed to have reasonably perpendicular gravity in the
narrower habitable zone.  A "bobbing" sun solves the twilight problem.


- Tim


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