Kepler's third law of motion, also known as the law of harmonies, relates the period of revolution of a planet to its distance from the sun. The correct variables involved in understanding Kepler's third law are:
period of revolution, distance to sun
However, in the options you provided, "orbital velocity, distance to sun" is not the correct choice either since it doesn't specifically reference the period of revolution.
If you need to choose from the options that reflect the essence of Kepler's third law more closely, you would select based on the closest conceptual match if "period of revolution" was not explicitly listed.
In summary, the key components of Kepler's third law are:
- The period of revolution (how long it takes for a planet to complete one orbit around the sun).
- The distance to the sun (the semi-major axis of the orbit).
Since the exact combination isn't listed in your responses, choose the one that you feel represents the relationship best based on the context provided. None of the exact options provided correctly pair "period of revolution" with "distance to sun."
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