Dogon Cosmology and Sirius: Nommos, Sigui, and the Debate over Ancient Celestial Knowledge
To the point
Dogon of Mali are said to possess ancient, detailed knowledge of Sirius and its companions (including Sirius B and a possible Sirius C) and other celestial lore, allegedly transmitted by Nommos from Sirius, with possible Egyptian links; however mainstream science, including Carl Sagan, remains skeptical of extraterrestrial contact and favors cultural exchange explanations.
