Jawabanmu

2014-03-26T08:47:59+07:00
Hukum Hukum Kepler II

Tp^2 / Rp^3 = Tb^3 / Rb^3
Tp^2 / 9^3 =  1^2 / 1^3
Tp^2 / 729 = 1
Tp =  \sqrt{729} = 27 hari.