Dog days Dog days The dog days or are the hot, sultry days of summer. They were historically the period following the heliacal rising of the star system Sirius, which Greek and Roman astrology connected with heat, drought, sudden thunderstorms, lethargy, fever, mad dogs, and bad luck. They are now taken to be the hottest, most uncomfortable part of summer in the Northern Hemisphere. The English name is a calque of the Latin "" (."the puppy days"), itself a calque of the Greek "kynádes hēmérai" (, "dog days"). The Greeks knew the star α Canis Majoris by several names, including Sirius (,
The Sirius Mystery The former study also concluded that while a triple system for Sirius could not be fully eliminated, the probability was low. Temple's book and the debates that followed its release publicized the existence of the Dogon tribe among many New Age followers and proponents of ancient astronaut theories. Speculation about the Dogon on numerous websites is now mingled with fact, leading to wide misunderstanding among the public about Dogon mythology. Temple, however, has stated in the reprint of "The Sirius Mystery" (1999) that he in no way supports what he refers to as "sinister cults" that have been inspired by