Dogon people in Mali knew about Sirius B centuries before Western astronomers. They call it Po Tolo (smallest seed), describing it as white, small, and heavy. Their 50-year calendar matches Sirius B's 49.9 year orbital cycle. Knowledge passed through oral tradition from the Nommo ancestors.
Dogon Sirius mystery: 50-year calendar based on Sirius B's orbital cycle
Site mentioned
📍 Bandiagara Escarpment
Key facts
- The Dogon live in southeast Mali along the Bandiagara Escarpment (UNESCO World Heritage Site since 1989)
- In the late 1930s, four Dogon priests shared secret traditions with French anthropologists Marcel Griaule and Germaine Dieterlen
- The Dogon know about Sirius B (Po Tolo), a white dwarf companion to Sirius, 8.6 light years from Earth
- Po Tolo means 'smallest seed star'—they describe it as the smallest and heaviest thing, correctly identifying it as white in color
- Sirius B was first suspected by astronomers in 1844 and visually discovered by Alvan Clark in 1862
- Sirius B is smaller than planet Earth and causes Sirius A's wavy movement through gravitational pull
- The Dogon 50-year calendar matches the orbital cycle of Sirius B around Sirius A (49.9 years)
- This knowledge was transmitted through oral tradition attributed to the Nommo ancestral beings
- The Dogon are intensively studied with over 1,800 publications covering their cosmogony and masked dances
Sources
Dogon tribe's advanced astronomical knowledge | Sirius B Mysteryafroculture.net
The existence of the white dwarf Sirius B (Po-tolo in the Dogon language). Sirius B is important for the Dogons because it rhythms some of their ceremonies.
How the Dogon Tribe Knew About Sirius B Centuries Ago - Mythlokmythlok.com
Central to their mythology is Sirius—referred to as Sigi Tolo—a star that they described in detail long before Western astronomy confirmed its characteristics.
The Sirius Mystery - Wikipediaen.wikipedia.org
The book presents the hypothesis that the Dogon people of Mali, in West Africa ... The Sirius Mystery: how do the Dogon people of Mali know about Sirius B?
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