- std::cout << "length of year: " << planet.OrbitalPeriod() << "s" << std::endl;
- std::cout << "length of moon cycle: " << moon.OrbitalPeriod() << "s" << std::endl;
- std::cout << "length of day: " << planet.RotationalPeriod() << "s" << std::endl;
- std::cout << "days per year: " << (planet.OrbitalPeriod() / planet.RotationalPeriod()) << std::endl;
- std::cout << "moon cycle in days: " << (moon.OrbitalPeriod() / planet.RotationalPeriod()) << std::endl;
- std::cout << "moon cycles per year: " << (planet.OrbitalPeriod() / moon.OrbitalPeriod()) << std::endl;
-