What is orbital period?, Speed, Distance, all above, Time to complete one orbit, What is orbital velocity?, Speed in orbit, Time in orbit, Orbit shape, mass in orbit, What is orbital distance?, Speed, Distance from the center of the planet, Time, energy, If orbital distance increases, orbital period usually becomes:, Shorter, The same, no change, Longer, Scientists use mathematical models to:, Stop satellites, non above, Predict orbits, Change gravity

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