This means the earth was now rotating on its axis and that there was a source of light on one side of the earth corresponding to the sun.
(the earth; corresponding; to the sun) (This; means; the earth was now rotating on its axis) Context(This means,List([0, 10))):(the earth; was rotating; on its axis; T:now) (there; was a source of; light)
This means,List([0, 10))
the earth This the earth there
corresponding means was rotating was a source of
to the sun
the earth was now rotating on its axis
on its axis T:now
light