void FixedUpdate()
    {
        dp = Vector3.Distance(planet.position, transform.position);
        distance = maxDistance - dp;
        force = distance * gravity;
        Debug.Log(force);


        direction = new Vector2(
                                direction.x + (1f * force),
                                direction.y + (1f * force)
                                        );
        Debug.Log(direction);
        //transform.position = direction;
    }