Dogon Cosmogony and the Sirius Connection: Debates Over Ancient Astronaut Claims and Ethnographic Influence

To the point

Dogon beliefs describe a sky created by Amma and the amphibious Nommo, were recorded largely through elder Ogotemelli by Griaule and Dieterlen, and include the claim that the Nommo were ancient astronauts who taught that Sirius has an invisible companion, Sirius B (Po-Tolo), a fact linked to 19th‑century work by Bessel and Clark and debated as extraterrestrial contact or as ancient Earth knowledge possibly shaped by ethnographers.