Where would you find a waxing crescent at 6pm? O Western Sky O Eastern Sky O Meridian O Below the horizonAccording to Kepler's 3rd law, a planet with an orbital period of 6.55 yr must have a semi-major axis of O 3.5 AU O 16 AU O 42.5 AU O 6.55 AUAn asteroid orbiting between Mercury and the Sun is found to have an orbital period of 56 days. Using Kepler's Third law, determine the semi-major axis of its orbit. What fraction of Mercury's semi-major axis does this correspond to? O 0.37 0.50 O 0.74 O 1.26