Using NASA data and 3D modeling, Indiana University Bloomington professor Bernard Frischer and his research team have dispelled a long-held theory regarding the relationship between two famous monuments in ancient Rome. The Ara Pacis Augustae, or Altar of Augustan Peace, was built in 9 B.C.E. in ancient Rome's Campus Martius. The marble altar stood as a propagandistic celebration of the peace and prosperity ushered into the new empire by Rome's first emperor, Augustus. Near the Ara Pacis sat a 71-foot-high granite obelisk brought from Egypt by Augustus, which served as the gnomon, or pointer, of a meridian line. Following a...