05-01-2017, 12:58 AM
I'll look into this as well tomorrow, but it may not be easy. R.Sale is right that the line of stars is the outer layer, the fixed stars. That means that this is the Platonic Spindle as described in the myth of Er.
That also means that the spindle image may have come from a variety of sources. I agree with jkp's reasoning that it was likely copied. So now to find the source
That also means that the spindle image may have come from a variety of sources. I agree with jkp's reasoning that it was likely copied. So now to find the source