Gemini Black Hole

blackhole.cs

public class BlackHole
{
  public double Mass { get; private set; }
  public double SchwarzschildRadius { get; private set; }
  public bool HasSingularity { get; } // Always true for a black hole

  public BlackHole(double mass)
  {
    Mass = mass;
    SchwarzschildRadius = CalculateSchwarzschildRadius(mass);
    HasSingularity = true;
  }

  private double CalculateSchwarzschildRadius(double mass)
  {
    const double G = 6.6743e-11; // Gravitational constant
    return 2 * G * mass / Constants.SpeedOfLight;
  }
}