What does seventy million years mean to a being who live only one-millionth as long? We are like butterflies who flutter for a day and think it is forever.
Astronomy is a science - the study of the universe as it is. Astrology is a pseudoscience - a claim, in the absence of good evidence, that the other planets affect our everyday lives. In Ptolemy's time, the distinction between astronomy and astrology was not clear. Today it is.