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
Children of the Dog Star of an ancient alien space probe named "Kolob". During the series they assemble the missing parts and strange things start to happen. The probe was one of three sent to earth to educate the human race in science. In the end a communication link is set up with the star Sirius B, from where the probe came, and the aliens tell them they should not have interfered. Until recently, "Children of the Dog Star" had remained unavailable due to complex copyright issues. However, TVNZ has now released the series on DVD (as of 3 July 2009), and syndicated the show