M Me New member Sep 12, 2011 #1 1. What happens to a small planet's orbital period if its mass is doubled (assume its semi-major axis is unchanged)? 2. What happens to a planet's orbital period if the star's mass is doubled (assume its semi-major axis is unchanged)?
1. What happens to a small planet's orbital period if its mass is doubled (assume its semi-major axis is unchanged)? 2. What happens to a planet's orbital period if the star's mass is doubled (assume its semi-major axis is unchanged)?
