static void Main(string[] args)
{
GiantPlanet giantPlanet = new GiantPlanet("Saturn", 116460, 5.683e26, "gas");
Console.WriteLine(giantPlanet.ToString());
TerrestrialPlanet terrestrialPlanet = new TerrestrialPlanet("Venus", 12104, 4.867e24, false);
Console.WriteLine(terrestrialPlanet.ToString());
}
static void Main(string[] args)
{
// Instantiate GiantPlanet object
GiantPlanet giantPlanet = new GiantPlanet("Jupiter", 139820, 1.89800000000000003e+24, "gas");
Console.WriteLine(giantPlanet.ToString());
// Instantiate TerrestrialPlanet object
TerrestrialPlanet terrestrialPlanet = new TerrestrialPlanet("Venus", 112104, 4.86700000000000026e+21, false);
Console.WriteLine(terrestrialPlanet.ToString());
//call for key method
waitForAnyKey();
}