Further, if a day is the equivalent of one rotation of the Earth on its axis, then the Earth must presently rotate 24,900 miles in a 24 hour period.
(a day; is; the equivalent of one rotation of the Earth on its axis) (the Earth; must rotate; 24,900 miles; T:in a 24 hour period; T:then; T:presently)
a day the Earth
is must rotate
the equivalent of one rotation of the Earth on its axis
24,900 miles T:in a 24 hour period T:then T:presently