(7/12/96) A Jupiter day, the time required for the planet to rotate once, is only about 10 hours long.
(the planet; to rotate; T:once) (the time required for the planet to rotate once; is; only about 10 hours long; T:A Jupiter day)
the planet the time required for the planet to rotate once
to rotate is
T:once
only about 10 hours long T:A Jupiter day