itemize phases of the moon or observing the annual variations of day keep could, after many years collection of mirror images, serve as inwrought indicators for planting and harvesting times, safe or stormy amiable fo r sailing, or time to bring the flocks from winter to summer pastures. With our millennia of much(prenominal) observation behind us, we sometimes forget that seeing and put raven anything less obvious than the rough position of sun or nightly change of moon phase requires inventing both blameless observation tools (a stone circle, a gnomon used to indicate the suns shadow, a means to measure the position of stars i...If you want to get a full essay, order it on our website: BestEssayCheap.com
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