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Stephen nous apporta ses lumieres en ce 2007/11/12 09:04:
> "Thomas de Groot" <t.d### [at] inter nlDOTnet> wrote:
>> How does sand flow in the absence of gravity...?
>>
>> Thomas
>
> Why would there not be gravity in space?
> Isn’t it gravity that keeps the stars and planets in orbit?
> Don’t
>
>
> Stephen
>
>
Absolutely, but when you are free floating in space, you don't feel any.
If you don't stand on a surface that is stationary relative to the dominent
gravity, the sand could'nt flow, as the glass is affected in exactly the same
amount as the sand.
--
Alain
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When the people fear their government, there is tyranny; when the government
fears the people, there is liberty.
Thomas Jefferson
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