Theosophy & Anthroposophy
H.P. Blavatsky in her Theosophical writings presented a complex cosmology, in terms of a sevenfold series of cosmic planes and subplanes, and a detailed sevenfold system of cycles and sub-cycles of existence. These ideas were adapted by later esotericists like Rudolf Steiner (Anthroposophy), Max Heindel, Alice Bailey, and Ann Ree Colton, and some of these ideas were included in New Age thought.
Read more about this topic: Esoteric Cosmology