This document provides an introduction to an online class about astral projection. It discusses:
1. What astral projection is, defining it as an altered state of consciousness similar to dreaming where one's consciousness can leave the physical body.
2. Different views on astral projections, including occult views which see it as the projection of one's consciousness to the astral plane, and scientific views which have various perspectives.
3. Key concepts in the occult view, including that consciousness transcends the physical body, there are multiple planes of existence, and humans have multiple "bodies" or vehicles to interact with different planes, including an astral body.