Question

Mercury 0.39
Earth 1.0

What is the difference between the orbital periods of Mercury and Earth?
0.61 years

0.76 years

1.24 years

1.39 years

Answer 1

@Destinymasha @beccaboo333

Answer 2

"This is an example of Kepler's third law of planetary motion." I thought the formula was:
K=T2R3
T = Period (In any unit, usually seconds.) R = Radius (In any unit, usually seconds.)

Answer 3

Thanks for the medal! :)