According to Cayce's revelations, our experience relates more to the entire solar system and not just three-dimensional life on earth. Cayce stated that each solar system is like a university with many dimensions of learning available and through which we must travel. Our solar system has nine planets which are physical representations of nine afterlife realms of which earth represents the third.
The afterlife realms are associated with the planets of our solar system. This does not mean souls actually live on the surface of planets as we do on earth, but rather, souls live in fourth and fifth level afterlife realms represented physically by the planets.
These afterlife realms that are associated with the planets are realms that souls can experience when not active in the physical body on earth (such as deep sleep, meditation, or other altered states that free the subconscious from its normal physical constraints).
Reincarnation takes place not only in the earth realm, but souls also reincarnate to other realms between earth incarnations. If a soul incarnates to earth from one of afterlife realms associated with our solar system, the soul will manifest a personality based on the influence of the afterlife realm they came from. These influences are defined in astrological terms and are related to the afterlife realm represented by the planet. Each planet in our solar system exerts a particular influence on us which certain lessons can be learned and for which we are tested on earth.
The first afterlife realm is physically represented by the planet Saturn. This is a realm that is equivalent to the concept of hell, a place for the purification of souls that have not kept their ways clean on earth. It is the realm for starting over. Cayce called this realm to be of "earthly woes" and a place where "all inadequate flesh goes to be redone." This realm is the "Great Changer", the great force for starting over. It is a realm where "the Creator loves those who are willing to start over."
The second afterlife realm is physically represented by the planet Mercury, the astrological realm of the mind. This realm gives us the ability to consider problems as a whole and has the influence to develop a keenness of perception in mental things. From this realm comes mental insight into the operative elements of ennobling, of virtues, of good, of beautiful, with the mysteries of the universal forces, given understanding, brings the development to the soul’s forces.
The third afterlife realm is physically represented by the planet earth, the astrological realm of testing of the flesh. If souls believe something and they really want to test it out, they can come to earth to be tested and apply themselves. By actually going through the experience themselves on earth souls can realize if what they believe is true or not for themselves. Earth is a place for souls to overcome certain weaknesses by applying themselves to see that those weaknesses are truly overcome. Here they can learn for certain whether they have really changed.
The fourth afterlife realm is physically represented by the planet Venus, the astrological realm of love. In this realm is the beauty, the joy, and the ability to write. This afterlife realm is where love is dominant and where souls find the expressions in activities in which there is the beauty seen in love, in companionship, in association, in music, in art, in all the things that bespeak of the loveliness even of nature and material things, rather than the expression of same in the earthly form or manner.
Cayce did not identify which planet is the physical representation of the fifth afterlife realm but it is probably Mars, the astrological realm of anger. This is are realm where souls learn how to control the warrior-like power, aggressions and urges that each soul has the ability to project. This realm is were we learn to control our ability to hate as well as to love.
Cayce did not identify which planet is the physical representation of the sixth afterlife realm, but it is probably Neptune, the astrological realm of mysticism. This realm is where souls have the ability to have direct experience with the Creator and perceive the Creator. It is the realm were souls find mystical, mysterious, and spiritual insight.
The seventh afterlife realm is physically represented by the planet Jupiter, the astrological realm of strength. This realm brings the bigness of vision, the nobleness of purpose, the patience with self as well as with others. Here, souls find the Universal Consciousness, that longing for the knowledge of something outside of self, the universal desire or the desire to be of help to many irrespective of the cost to self. This realm is where souls find abilities in a helpful, universal way and manner. This realm strengths the souls ability to depict situations, to analyze people and places, things and conditions. Here, the soul may become gifted in writing, lecturing, and in group direction.
The eighth afterlife realm is physically represented by the planet Uranus, the astrological realm of the psyche. This realm is where the soul develops psychic ability. This realm can develop extremes and extremism within a soul. Also, a soul can develop an interest in the occult and the mystic forces; as visions, hearings, seeing and knowing without having the physical contact with experiences in the mental body. This realm influences an interest in the spiritual things. All psychics on earth had a sojourn within this afterlife realm before incarnating to the earth.
The ninth afterlife realm is physically represented by the planet Pluto, the astrological realm of the subconscious. Here, souls can attain the final development of full consciousness. This realm has spiritual-minded influences outside of self. It influences demonstrative activity in the future affairs or developments of humanity.
The final afterlife realm is physically represented not by a planet but by the star Arcturus, the astrological realm of developing. This afterlife realm is a kind of weigh station, a transient place where souls choose to travel to other realms and other solar systems. It is the door in and out of our solar system. This realm is the junction between the spheres of activity as related to the cosmic force. This is both a usual and an unusual step in soul evolution.