Na igen, Nemere... közben én is utánanéztem a neten. Az elszállt ezoterikusok mellett egy-két helyen azért kritikusabb szemmel is nézik a dolgot.

Néhány idézet, sajnos angolul:

http://www.skepdic.com/dogon.html

The Dogon are a people of about 100,000 who dwell in western Africa. According to Robert Temple (The Sirius Mystery), the Dogon had contact with some ugly, amphibious* extraterrestrials, the Nommos, some 5,000 years ago. The aliens came here for some unknown reason from a planet orbiting Sirius some 8.6 light years from earth. The alleged visitors from outer space seem to have done little else than give the earthlings some useless astronomical information.

One of Temple's main pieces of evidence is the tribe's alleged knowledge of Sirius B, a companion to the star Sirius. The Dogon are supposed to have known that Sirius B orbits Sirius and that a complete orbit takes fifty years. One of the pieces of evidence Temple cites is a sand picture made by the Dogon to explain their beliefs. The diagram that Temple presents, however, is not the complete diagram that the Dogon showed to the French anthropologists Marcel Griaule and Germaine Dieterlen, who were the original sources for Temple's story. Temple has either misinterpreted Dogon beliefs, or distorted Griaule and Dieterlen's claims, to fit his fantastic story.

Carl Sagan agreed with Temple that the Dogon could not have acquired their knowledge without contact with an advanced technological civilization. Sagan suggests, however, that that civilization was terrestrial rather than extraterrestrial. Perhaps the source was Temple himself and his loose speculations on what he learned from Griaule, who based his account on an interview with one person, Ambara, and an interpreter.

According to Sagan, western Africa has had many visitors from technological societies located on planet earth. The Dogon have a traditional interest in the sky and astronomical phenomena. If a European had visited the Dogon in the 1920's and 1930's, conversation would likely have turned to astronomical matters, including Sirius, the brightest star in the sky and the center of Dogon mythology. Furthermore, there had been a good amount of discussion of Sirius in the scientific press in the '20s so that by the time Griaule arrived, the Dogon may have had a grounding in 20th century technological matters brought to them by visitors from other parts of earth and transmitted in conversation.

Or, Griaule's account may reflect his own interests more than that of the Dogon. He made no secret of the fact that his intention was to redeem African thought. When the Belgian Walter van Beek studied the Dogon, he found no evidence they knew Sirius was a double star or that Sirius B is extremely dense and has a fifty-year orbit.

Knowledge of the stars is not important either in daily life or in ritual [to the Dogon]. The position of the sun and the phases of the moon are more pertinent for Dogon reckoning. No Dogon outside of the circle of Griaule's informants had ever heard of sigu tolo or po tolo... Most important, no one, even within the circle of Griaule informants, had ever heard or understood that Sirius was a double star (Ortiz de Montellano).*

According to Thomas Bullard, van Beek speculates that Griaule "wished to affirm the complexity of African religions and questioned his informants in such a forceful leading manner that they created new myths by confabulation." Griaule either informed the Dogon of Sirius B or "he misinterpreted their references to other visible stars near Sirius as recognition of the invisible companion" (Bullard).

http://en.wikipedia.org/wiki/Dogon#Skepticism

Most of the information regarding Dogon mythology and knowledge of Sirius and its companions comes from Robert Temple and his book The Sirius Mystery (1975). While interviewing the Dogons, Temple found they had some information on Sirius and its companion star, Sirius B. Sirius B is invisible without a telescope. Since the Dogons did not have telescopes and were not an advanced civilization, he concluded that the only way they could have obtained the information on Sirius B was by contact with an advanced civilization. Therefore, Temple concluded that aliens from the Sirius star system personally visited the Dogons and made them familiar with the operation of their astronomical home.

Carl Sagan, among others, agrees with Temple that the Dogons could not have known about Sirius B without contact with an advanced civilization. However, Sagan argues that the Dogons could have found out about the Sirius neighbor by contact with terrestrial advanced civilizations. Information from those other cultures does refer to dark companions about 5,000 years ago in myths, which may have reached the then less isolated Dogon.

The Dogons have had a traditional interest in astronomy. By the 1920s, the Dogons had had contact with western civilizations. It is only natural that conversations with visitors would eventually turn to astronomy. In fact, in the 1920s, there had been a great deal of press in scientific journals regarding Sirius and its neighboring star. Since Sirius A, which is visible to the naked eye, was a part of their mythology, it is reasonable that the visitors passed on information regarding its companion and its period of orbit and other information regarding the star.

By the time Temple visited the Dogon's in the 1970s, they had had a great deal of contact with the western world and had time to incorporate Sirius B into their religion. To skeptics, it is unreasonable to assume that the Dogons' only source of information on the Sirius stars was extraterrestrial in origin.