Sirius in fiction below)—and even if such were eventually discovered, with an estimated age of 230 million years the system is too young to have fostered the development of life or a complex biosphere. Sirius AB is the alpha star of the constellation Canis Major (the great dog, sometimes styled as Orion's hunting dog), whence its cognomen "the dog star". The most commonly used proper name of this star comes through the Latin "Sirius", from the Greek Σείριος ("Seirios", "glowing" or "scorcher"). The ancient Greeks observed that the appearance of Sirius heralded the hot and dry "dog days" of summer, and feared that
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