A science-fiction style mad scientist wants to place half the world in eternal darkness using an “anti-rotation” machine. What should be the targets of this machine for the scheme to work? the Sun and the Moon the Moon and the stars Earth itself the Solar System itself

The targets of the "anti-rotation" machine would need to be the Sun and the Moon in order to achieve eternal darkness on half of the world. By stopping the rotation of these celestial bodies, the mad scientist could effectively plunge half of the world into perpetual darkness.