/// <summary>
/// Calculates visibility angle of celectial body, for given physical radius.
/// </summary>
/// <param name="physicalRadius">Radius in kilometers</param>
/// <returns></returns>
public double getVisibleAngle(double physicalRadius)
{
return(GPMath.rad2deg(Math.Asin(physicalRadius / distanceFromEarth)));
}
public double getAngleRadius()
{
return(GPMath.rad2deg(2 * Math.Asin(MOON_RADIUS / distance)));
}
