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Question
Which statement describes Kepler’s third law of orbital motion?(1 point)
Responses
The square of orbital period is proportional to the cube of the semi-major axis.
The square of orbital period is proportional to the cube of the semi-major axis.
The cube of orbital period is proportional to the square of the semi-major axis.
The cube of orbital period is proportional to the square of the semi-major axis.
The square of orbital period is proportional to the semi-major axis.
The square of orbital period is proportional to the semi-major axis.
The orbital period is proportional to the square of the semi-major axis.
The orbital period is proportional to the square of the semi-major axis.
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1 answer
The correct statement that describes Kepler’s third law of orbital motion is:
The square of the orbital period is proportional to the cube of the semi-major axis.
This can be mathematically expressed as \( T^2 \propto a^3 \), where \( T \) is the orbital period and \( a \) is the length of the semi-major axis of the orbit.
