By Hugh Thurston
People should have watched the skies from time immemorial. people have consistently proven highbrow interest in abundance, and prior to the discovery of recent distractions humans had extra time-and extra psychological energy-to commit to stargazing than we've got. Megaliths, chinese language oracle bones, Babylonian clay drugs, and Mayan glyphs all yield evi dence of early peoples' curiosity within the skies. to appreciate early astronomy we have to be conversant in a variety of phenomena that could-and nonetheless can-be noticeable within the sky. for example, it appears a few early humans have been drawn to the issues at the horizon the place the moon rises or units and marked the instructions of those issues with megaliths. those instructions struggle through a classy cycle-much extra complex than the cycle of the stages of the moon from new to complete and again to new, and extra advanced than the cycle of the emerging and surroundings instructions of the solar. different peoples have been attracted to the abnormal motions of the planets and within the means during which the days of emerging of a few of the stars diversified throughout the 12 months, so we have to learn about those phenomena, i. e. , approximately retrogression and approximately heliacal emerging, to usc the technical phrases. The ebook opens with an evidence of those concerns. Early astronomers did greater than simply gaze in awe on the heavenly our bodies; they attempted to appreciate the advanced info in their hobbies. by means of three hundred H. C.