The Astral World, through the plane of forces, receives the thoughts and vibrations of actions from the Physical World. Just as solid materials are used to create objects in our world, our thoughts and vibrations create objects on the Astral Plane.
Therefore, what people strongly believe in enough can be created astrally. This is one method by which ritual Magic is performed. Energy is first raised with a simple purpose in mind, then this is given up to the Plane of Forces, where it is drawn and channelled to the Astral World, and so obtains a thought form. The true purpose of the Astral Plane is to prepare us for future lives and existences by burning out (purifying), or exhausting, all of our fears, desires and false concepts. These bind us to the lower worlds. So it is our afterlife experiences in the lower astral worlds which transforms us.
The Astral World is under the divine Law of Cause and Effect, action and reaction. It is the essence of the Three-fold Law.
The Astral Planes contain all the heavens and hells which the followers of all religions believe in. They will experience that which they believe awaits them.
On the Astral Plane, thoughts are things. And as you believe, so shall it be