however, they appear to move across the sky in an arc as the Earth rotates on its axis, with a complete rotation of the Earth occurring once in every 24 hour period.
(they; appear; ) (they; to move; across the sky; T:as the Earth rotates on its axis) (the Earth; rotates; on its axis) (a complete rotation of the Earth; occurring; T:once; T:in every 24 hour period)
they they the Earth a complete rotation of the Earth
appear to move rotates occurring
across the sky T:as the Earth rotates on its axis
on its axis
T:once T:in every 24 hour period