On 9/27/2010 1:59 AM, James A. Robbins wrote:
>> "Jeffrey Kaplan" wrote in message
>>> news:sp40a61tme1606oopbgdsojquotgh9hfo6@gordol.org...
>> Previously on rec.arts.sf.tv.babylon5.moderated, John W. Kennedy said:
>>
>>> On Sep 25, 1:02 am, Jeffrey Kaplan wrote:
>>>> Previously on rec.arts.sf.tv.babylon5.moderated, John W. Kennedy said:
>>>>
>>>>> I have always rather assumed that the Sheridan-Lorien scenes on
>>>>> Z'ha'dum were taking place in Sheridan's head as he fell.
>>>>
>>>> Except for the fact that several days or weeks had passed elsewhere
>>>> between the big BOOM! and his return to B5.
>>>>
>>>> Time enough for Ivonova to grieve, make a round trip, and then put out
>>>> a call for ships and wait days for them to arrive.
>>>
>>> So? The PERT chart works.
>>
>> Unless he's falling into a planet like Jupiter, it'd take orders of
>> magnitude less time to fall than it took Ivonova to grieve, etc. But
>> he wasn't. By what we see on-screen, Z'Ha'Dum must have a gravity
>> within tolerance-difference of Earth, and the atmosphere within the
>> city dome is breathable by Humans and thus must be composed of gasses
>> of similar densities.
>>
>> Ergo, terminal velocity there is close to that here, and it would take
>> only minutes to fall 2 kilometers, not days or weeks.
>>
>> I wasn't questioning whether or not Ivonova went through grieving
>> stages, nor whether or not Lorien was communicating with Sheridan
>> telepathically. Just the timing.
>
> If the hole was deep enough then the force of gravity would reduce
> as you approached the center of the planet. With air friction he would
> slow to a hover at some point.
Of course the air pressure would crush him long before he got to that point.
--
James A. Robbins
Network Engineer
The Ohio State University
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