John,
The capacitor you're talking of must have electrodes of some sort to
define
it. I agree that the energy is stored in an E-field, but it must still
have
a pysical definition, no?
Pete
No. The sun emits EM radiation. That energy is stored in the E & M
fields and eventually reaches us. Where are the plates or coils ??
It may be necessary to have something like plates or coils to INSERT or
EXTRACT energy from the fields, but the energy is stored in the fields
-John