X1016061655-00124-26598</DOCNO> Planets In Orbit, 4-6 FAA Aviation Education OBJECTIVES: To discover that centrifugal force can overcome gravity.
(X1016061655-00124-26598</DOCNO>; Planets; L:In Orbit; To discover that centrifugal force can overcome gravity)
X1016061655-00124-26598</DOCNO>
Planets
L:In Orbit To discover that centrifugal force can overcome gravity