As in all things Afrikan, there are multi layered meanings hidden within our symbols and creation stories. The metaphorical, scientific, spiritual, esoteric and cosmological.
"NOMMO can be thought, NOMMO can be played on an instrument, NOMMO can be sung. It is prayer. It is curse. It is incantation!NOMMO is a praise song. NOMMO is our use of the spiritually activating principle. NOMMOis will and intent. NOMMO is consciousness.” – Marimba Ani
The Sirius System became the Ever-Living Placenta of the Resurrected Nommo. Even though the Kora-Na, O Nommo, and the Unum were going to travel to ‘The Impure Earth’ of Ogo, they were to forever remain connected to a lifeline that connected them straight to Amma’s womb. This ever-living placenta is the Sirius system, and as long as the connection with Sirius was maintained, the Resurrected Nommo would never die. The Sirius system floods the Impure Earth with rejuvenating and nourishing Nyama every sixty years, at which time the Dogon perform the Sigui ceremony to reaffirm the Earth-Sirius connection.
On earth, it organised human culture and set the order for human interaction. This is the celestial foundation of the Earthly sciences of astrology, astronomy, and agriculture.