Federico Lorenzi skrev:
On Sun, Jun 1, 2008 at 9:33 PM, Ilja O. <[EMAIL PROTECTED]> wrote:
On Sun, Jun 1, 2008 at 9:26 PM, cdr <[EMAIL PROTECTED]> wrote:
And portable thermonuclear bomb. Just in case. (Well, phone is already
hand interface to several orbital atomic clocks, isn't it?)
the atomic clock(s) arent orbiting the earth,
But why there are no clocks at the orbit? They could be useful enough.
E.g. if there are several of them each on predefined geostationary
orbit we could do lots of useful things with them! For example, we
could prove that general relativity indeed exists (although ionosphere
would likely to spoil party at some degree).
Huh, I'm a little confused about whats being spoken about here, but
the GPS satellites are effectively giant orbiting atomic clocks, its
the basis of GPS.
Cheers,
Federico
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Indeed they are:
http://en.wikipedia.org/wiki/Global_Positioning_System
(under Simplified method of operation).
And if the satellites did not take the relativity theory into account,
they would be useless. The accuracy would be awful.
http://en.wikipedia.org/wiki/Global_Positioning_System#Relativity
Arne K
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