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
Summer Special: Pinocchio / Hot Summer with the group wearing all white, walking slowly towards the camera. The video then cuts to another set with close-up shots of the group revealing electric blue outfits, topped with elaborate accessories. A street scene is also featured, where the group wears red outfits in front of the star-shaped prop while throwing paint over the buildings and at the camera. The video ends with the desert as the camera pans back. On May 30, 2015, SM Entertainment announced that the group will release their first Japanese single titled "Summer Special: Pinocchio / Hot Summer", on July 22, 2015. The single