““construction – and how they were aligned so precisely with the aid of astronomy – leave us with more questions than answers. Like anything the Egyptians did, there were many rituals surrounding the building of a pyramid tomb. The first ritual, dating back to the 2nd dynasty, was called “stretching the cord” and it was done at night. The building was precisely aligned by careful astronomical observations. There are several ways in which this could have been done. A tool called a “market” or “merket” could have been used.””