VMs: Re: Kircher's Moon

["Robert Teague" <rteague@xxxxxxxxxxxxx>]

Dana Scott wrote:

> Here is the drawing of "Kircher's Moon" which was the subject title
referenced in a e-Mail sent out earlier today. I wonder > if there would
have been sufficient advances in optics during Roger Bacon's era to even be
able to imagine the shape of
> galaxies.

Individual stars were not resolved in other galaxies until 1917,
and it took the 100 inch Mt. Wilson telescope to do so. It
wasn't until 1924 that convincing evidence was presented
that nebulae were other galaxies.

My own current theory about the "galaxy diagram" is that
it's the nucleus of a comet.

Robert

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