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William Black

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Since: Sep 15, 2005
Posts: 161



(Msg. 1) Posted: Mon Mar 05, 2007 1:40 pm
Post subject: Airsphere gravity
Archived from groups: alt>books>iain-banks (more info?)
I'm just re-reading 'Look to Windward' and I'm wondering where the Airsphere
gravity comes from...

--


William Black

I've seen things you people wouldn't believe
Barbeques on fire by chalets past the headland
I've watched the gift shops glitter in the darkness off Newborough
All this will pass like ice-cream on the beach
Time for tea

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Jeremy Sanders

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Since: Mar 05, 2007
Posts: 2



(Msg. 2) Posted: Mon Mar 05, 2007 1:40 pm
Post subject: Re: Airsphere gravity [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
William Black wrote:

> I'm just re-reading 'Look to Windward' and I'm wondering where the
> Airsphere gravity comes from...

Not having read it for a while... Air has mass, therefore you will have
gravity if you're away from the centre of the sphere.

If you tunnelled into the centre of the Earth, you'd find no gravity at the
centre (excepting the gravitational forces of the moon, sun, galaxy, etc),
and it would increase as you go out as the mass inside the sphere you are
on increases.

Jeremy

--
Jeremy Sanders jeremy\att/jeremysanders\dott/net

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William Black

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Since: Sep 15, 2005
Posts: 161



(Msg. 3) Posted: Mon Mar 05, 2007 7:29 pm
Post subject: Re: Airsphere gravity [Login to view extended thread Info.]
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"Jeremy Sanders" <jeremy+altbooksiainbanks@jeremysanders.net> wrote in
message news:esgpns$2rs$1@gemini.csx.cam.ac.uk...
> William Black wrote:
>
>> I'm just re-reading 'Look to Windward' and I'm wondering where the
>> Airsphere gravity comes from...
>
> Not having read it for a while... Air has mass, therefore you will have
> gravity if you're away from the centre of the sphere.
>
> If you tunnelled into the centre of the Earth, you'd find no gravity at
> the
> centre (excepting the gravitational forces of the moon, sun, galaxy, etc),
> and it would increase as you go out as the mass inside the sphere you are
> on increases.

Well yes, but the gravity seems to pull 'down' towards the 'anus' and
there's no mass down there...

--


William Black

I've seen things you people wouldn't believe
Barbeques on fire by chalets past the headland
I've watched the gift shops glitter in the darkness off Newborough
All this will pass like ice-cream on the beach
Time for tea
 >> Stay informed about: Airsphere gravity 
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