Doppler is zero only if you are at the center of the Earth. Those of us on the surface, there is Doppler from the surface velocity around the center.
John WA4WDL ----- Original Message ----- From: "Neville Michie" <[EMAIL PROTECTED]> To: "Discussion of precise time and frequency measurement" <[email protected]> Sent: Saturday, May 26, 2007 6:10 PM Subject: Re: [time-nuts] Pendulums & Atomic Clocks & Gravity > > Look up Lagrangian points on Wikipedia. > There are points of zero gravitational force, about our planet. What > is more, these points are stationary with respect to Earth, so > Doppler effects would be zero. > As the distance from Sun to Earth to Moon varies through the year it > follows that the distance from Earth of these points must vary on a > small scale. > These points are good for satelites as the orbit never decays. > cheers, Neville Michie > >> >> _______________________________________________ >> time-nuts mailing list >> [email protected] >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > > _______________________________________________ > time-nuts mailing list > [email protected] > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
