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Re: JPL Planetary Ephemeris DE405

jonathon <jonathon.blake@gmail.com> writes:
>> Data is fundamentally different from software: for example, there is
>> no "source code" for DE405.
> The source code for the ephemeris is physical observations of the stars,
> planets, and other bodies in it.

Source code is an entity, but observation is an activity, so it cannot
be source code. 



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