[time-nuts] Determination of the placement of the first pps

Jim Lux jimlux at earthlink.net
Tue Jan 24 01:06:20 EST 2012

On 1/23/12 5:50 PM, J. L. Trantham wrote:
> Is this, in any way, related to the fact the Earth has a Moon?
> Ideally, the Earth rotates around the Sun and the Moon rotates around the
> Earth.  However, is it better described as the 'center of mass' of the
> Earth/Moon

barycenter is the term

  rotates around the Sun?  Not to mention all those other
> confounding variables such as other planets and moons?

Well, yes.. there are fairly sophisticated numerical integration 
programs that figure all this stuff out, if you're interested.


More information about the time-nuts mailing list