ASTEROID MEASURED IN "CRUISE SHIPS"

Did you happen to see the story on MSN today? The headline read, "Asteroid as large as 9

cruise ships to sail by Earth." Of course, all of us who call this planet home are happy

about that piece of news. But that does beg the question, "Have cruise ships replaced football fields as the new standard of measurement?" And how do football fields and cruise ships equate, measurement-wise? Inquiring minds want to know! -- Gerry