The Dogon Tribe is an ancient African tribe located in Mali, West Africa. They have a unique belief system that includes a complex cosmology centered around the star Sirius B. Sirius B is a companion star to the brightest star in the night sky, Sirius A. According to the Dogon
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The Sirius Mystery is a book written by Robert K. G. Temple supporting the pseudoscientific ancient astronauts hypothesis that intelligent extraterrestrial beings visited the Earth and made contact with humans in antiquity and prehistoric times. The book was first published by St. Martin's Press in 1976. Its second, 1998, edition is called The Sirius Mystery: New Scientific Evidence of Alien Contact 5,000 Years Ago.