From: "Poul-Henning Kamp" <[EMAIL PROTECTED]> Subject: Re: [time-nuts] Pendulums & Atomic Clocks & Gravity Date: Sat, 26 May 2007 22:22:54 +0000 Message-ID: <[EMAIL PROTECTED]>
> In message <[EMAIL PROTECTED]>, Neville Michie wri > tes: > > >These points are good for satelites as the orbit never decays. > > BZZZZT! Wrong! > > But you came close :-) > > Station keeping in these orbits is much more important than in regular > freefall orbits, because the domain of stability is not very large. > > For a good story about this, read about the (truly amazing!) recovery > of the SOHO solar observatory, which is located in such a point. This was also important for the WMAP mission. http://map.gsfc.nasa.gov/m_mm/ob_techorbit1.html They put it in the L2 position. http://map.gsfc.nasa.gov/m_mm/ob_techorbit.html WMAP is the follow-up on the COBE project. See recent Nobel price. Cheers, Magnus _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
