Death—The soul—The hour of death—Separation of the soul—Sight of the soul in Heaven—The Solar System in the heavens—The Earth as seen from the heavens—The star Capella—Velocity of light—The terrestrial planet seen from afar—The worlds seen from afar—Lumen—Lumen sees again his own life.

Journey on a ray of light—Events retraced—Re-ascending the Ages—Psychical optics—Light and sound—Man organised from the planet—The soul and destiny.

The sphere of human observation—Time and space—Events in space—Time, space, and eternity.

Space and light—The star Gamma in Virgo—The system of Gamma in Virgo—Former existence—The plurality of existences—The unknown—The constellations—The elements—Life on the earth—The process of alimentation—Nutritive atmospheres—Poetry on the Earth—A humanity—The organisation of beings—The development of life—The genealogical tree of life—The men-plants—Souls and atoms—Other senses—Atoms and monads.

A world in Orion—Analysis of the nervous system—The Commune—Animated molecules—Various forms of life—Infinite diversity on Sirius—Phosphorescent passions—Lives too long—Infinite diversity—The magnifying power of time—A chrono-telescope—Light.