Spiritually, once we become aware of how the subtle energies can help us live our lives successfully, we can learn to make use of planetary energy. This is a belief that goes back to ancient times and is the basis of astrology. The interpretations of the planetary significances are. Dreaming of planets is to be linking with very subtle energies, which surround us and have an effect on our lives, even though we may not be consciously aware of them. Often as we begin to study the esoteric arts we become more aware of these influences.