👉 Reversionary, also known as retrograde motion or retrograde revolution, is a phenomenon in physics where an object moves in the opposite direction to its current state. This can occur when an object's velocity changes from one direction to another, which is not due to a change in mass, but rather because of a force acting on it. The term "reversionary" comes from Latin and refers to something that is moving backwards or backwardward. In this context, retrograde motion means the
