Recent content by vivic

  1. V

    What is the mass of the planet and its moon using Kepler's 3rd law?

    Homework Statement A planet orbits around the Sun with an orbital period of 14.5 years. It is observed it has a moon. At opposition, the moon has an almost circular orbit, and a radius of 7 arcminutes as seen from the telescope. Its orbital period around the planet is 3 days. What is the mass...