Re: It is now the second winter of year 1002
From: Ian Stirling (root_at_mauve.demon.co.uk)
Date: 02/07/05
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Date: 07 Feb 2005 11:17:57 GMT
Uncle Al <UncleAl0@hate.spam.net> wrote:
> Dobri Karagorgov wrote:
>>
>> If we observe the interaction between the sun and the earth form sun's
>> point of view then the earth must have four extreme distances from the
>> sun: two for winters and two for summers. The sun must be in the
>> center of the trajectory of its natural satelite - the earth because
>> that is the only possible way of keeping them balanced. The sun may
>> not be in the focus of earth's trajectory.
>
> The Earth does not orbit the sun. The Earth-moon barycenter orbits
> the sun.
Less inaccurate would be to say that the Earth-moon barycenter orbits
the solar system barycenter.
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