Skepticism is defined as acritical attitude which systematically questions the notion that absolute knowledge and certainty are possible...in particular fields? ... As the middle ages, and the blind faith in religious tradition that defined it, dwindled, an intellectual revolution based on rethinking and redetermining humanity's place in the universe occurred (CSCC). ... By adding the length of a shadow and the angle at which the sun's rays hit it, Galileo used the shadow method to measure the height of mountains on the moon (Moore 156). ...