A hypothetical planet has a diameter, measured through the equator, of 100,000 km and a diameter, measured through the poles, of 90,000 km. Its oblateness is therefore:

Question

Quizplus · Accepted Answer

The oblateness of a planet is given by the formula (a-b)/a, where a is the equatorial diameter and b is the polar diameter. Plugging in the given values, we get (100,000 - 90,000)/100,000 = 0.1, which is equal to 10%. Therefore, the correct answer is B)10%.

A Hypothetical Planet Has a Diameter, Measured Through the Equator