Sirius astrological symbol was listed by Heinrich Cornelius Agrippa. Many cultures have historically attached special significance to Sirius, particularly in relation to dogs. It is often colloquially called the "Dog Star" as the brightest star of Canis Major, the "Great Dog" constellation. It was classically depicted as Orion's dog. The Ancient Greeks thought that Sirius's emanations could affect dogs adversely, making them behave abnormally during the "dog days," the hottest days of the summer. The Romans knew these days as "dies caniculares", and the star Sirius was called Canicula, "little dog." The excessive panting of dogs in hot weather was thought
The Sirius Mystery about Sirius B. They could very well have acquired such knowledge abroad, passing it on to their tribe later. Sirius B was first observed in 1862, and had been predicted in 1844 on dynamic grounds. However, Oberg does concede that such assumptions of recent acquisition are "entirely circumstantial" and have no foundation in documented evidence. The skeptic Jason Colavito counts "The Sirius Mystery" among the body of works in a tradition of ancient astronaut ideas that was ultimately inspired by H. P. Lovecraft's Cthulhu Mythos in his 2005 book "The Cult of Alien Gods: H. P. Lovecraft and Extraterrestrial Pop