Gravitational force Fg = Gm1m2r2 = 6.67N
m1 = 1024kg, m2 = 1027kg, G = 6.6 x 10−11Nm2kg−2 and r = ?
6.67 = 6.6×10−11×1024×1027r2
6.67r2 = 6.6 x 1040
r2 = 6.6×10406.67 ≈ 9.89 × 1039
r = √9.89×1039 ≈eq 9.94 × 1019m → 1.0 x 1020m
