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all around the wheel until it returned to its starting point.
So you should understand that the moon and the sun,
in the same way, go along a path that is common to
the seven planets that are in the sky, so that each of
them goes on its own path towards the east. And the
sky itself turns to the west, as its nature
leads it to do. And with this we end the first part
of this book. In the second part we will consider
the earth and the form of the firmament.
[rubric:] Here ends the first part of this book.

Here begins the second part of this book,
which discusses how the earth is divided into parts,
and which parts of it can be inhabited.