(urth) Shape of the Whorl

Jeff Wilson jwilson at io.com
Fri Jan 23 21:32:19 PST 2009


James Wynn wrote:
>> I think the Whorl has to be close to perfect cylinder.
>> If not, it would wobble as it spins.
> 
> Only if the asteroid were of uniform density on all sides which is 
> unlikely. The engineering permutations to cause an asteroid of undefined 
> dimensions and mass to spin uniformly are infinite.

Relativity dictates any asymmetry will eventually lead to tumbling, so 
it needs to be pretty close to avoid instability over ages of travel.

-- 
Jeff Wilson - jwilson at io.com
< http://www.io.com/~jwilson >



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