Re: (TFT) Hollow Cidri

[pvk@oz.net]

... Rick wrote:
> Anyway, that was always my take on what Cidri was:  A
> hollow artificial world with the rock ~500 km thick
> and ~150,000 km in radius.  That would give you a
> surface area of about 500,000,000,000 square km which
> (including the inside) felt about right.

My assumption at the time was it was probably hollow or had gas or foam
inside, but the people were all on the outside, not on the inside. But I
sensed it was not going to be really possible to have it make sense with
modern science.

PvK
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