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
Ancient of Days icons, the Ancient of Days is sometimes identified with God the Father or occasionally the Holy Spirit; but most properly, in accordance with Orthodox theology he is identified with God the Son, or Jesus. Most of the eastern church fathers who comment on the passage in Daniel (7:9-10, 13-14) interpreted the elderly figure as a prophetic revelation of the son before his physical incarnation. As such, Eastern Christian art will sometimes portray Jesus Christ as an old man, the Ancient of Days, to show symbolically that he existed from all eternity, and sometimes as a young man, or wise baby,