According to Kepler's third law,the orbital period T of a...
According to Kepler's third law,the orbital period T of a planet is related to the radius R of its 相关知识点: 试题来源: 解析 即T ^ 2=t ^ 2 * R ^ 3 / r ^ 3 (R / r=4.97,故R ^ 3 / r ^ 3 =122.763473) 两边开方:T=t * (R ^ 3 / r ^ 3) ^ 0.5=11.07986791 (years...