ocr: 1986, vivid comet West in 1976, and the: scientifically significant- -if visually dis- appointing-Kohoutek in 1973-74, and you could say that we are indeed living in the age of comets. OVERONG in the most H tional fragile of balances, gravita- a fleet of dirty, lumpy: snow- balls numbering in the tril- OFCA AI - pmu fions is barely held in orbit by Like a "flaming ear of corn," wrote an Aztec chronicler of the pull of the sun. They are the 1517 comet that terrified Moctezuma I1, pictured in a 16th- stored in the Oort cloud, a century painting. He saw it as an omen of his downfall and soon huge ...