The radius of the orbit of Earth around the Sun is 150 $\times$ 10⁶ km.If the orbital periods for Earth and Venus are 365 and 225 days respectively,calculate the radius of orbit for Venus in astronomical units AU. A)0.85 AU B)0.62 AU C)0.72 AU D)1.4 AU E)2.1 AU

Question

Quizplus · Accepted Answer

Using Kepler's third law, (T1/T2)^2 = (R1/R2)^3, where T is the orbital period and R is the radius of the orbit. Solving for Venus's orbit radius gives approximately 0.72 AU.

The Radius of the Orbit of Earth Around the Sun ×\times×

The Radius of the Orbit of Earth Around the Sun $\times$