Kepler's third law describes how a planet's average distance from the Sun, R (in astronomical units, AU), is related to its orbital period, T (in Earth years). T^2=R^3 Planet X is 9 AU from its star. What is Planet X's approximate orbital period?

Question

Revolt · Accepted Answer

27 Earth years

Kepler's Laws — Quiz

Kepler's third law describes how a planet's average distance from the Sun, R (in astronomical units, AU), is related to its orbital period, T (in Earth years). T^2=R^3 Planet X is 9 AU from its star. What is Planet X's approximate orbital period?

Explanation

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