public Star()
    {
        m_temp = Random.Range(3000, 9001);//temperature is a random value between 3000 and 9000.
        m_mag = 1; //brightness will be highest because star defaults to center of galaxy.
        m_pos = new Vector3(0, 0, 0); //star defaults to center of galaxy position.

        //caculate color from temp using http://www.tannerhelland.com/4435/convert-temperature-rgb-algorithm-code/

        float calc_temp = m_temp / 100;
        float Red;
        float Green;
        float Blue;

        //R
        if (calc_temp <= 66)
        {
            Red = 255;
        }
        else
        {
            Red = calc_temp - 60;
            Red = 329.698727446f * Mathf.Pow(Red, 0.1332047592f);
            if (Red < 0) { Red = 0; }
            if (Red > 255) { Red = 255; }
        }

        //G
        if (calc_temp <= 66)
        {
            Green = calc_temp;
            Green = 99.4708025861f * Mathf.Log(Green) - 161.1195681661f;
            if (Green < 0) { Green = 0; }
            if (Green > 255) { Green = 255; }
        }
        else
        {
            Green = calc_temp - 60;
            Green = 288.1221695283f * Mathf.Pow(Green, -0.0755148492f);
            if (Green < 0) { Green = 0; }
            if (Green > 255) { Green = 255; }
        }

        //B
        if (calc_temp >= 66)
        {
            Blue = 255;
        }
        else if (calc_temp <= 19)
        {
            Blue = 0;
        }
        else
        {
            Blue = calc_temp - 10;
            Blue = 138.5177312231f * Mathf.Log(Blue) - 305.0447927307f;
            if (Blue < 0) { Blue = 0; }
            if (Blue > 255) { Blue = 255; }
        }

        color = new Color(Red, Green, Blue); //finally, create the color and assigne it to the variable.

    }
    //now a constructor with the three vectors (x,y,z) defined
    public Star(float x, float y, float z)
    {

    }

};