MEXICO CITY — A new exhibit hosted by Museum of Templo Mayor in Mexico City marks the 45th anniversary of the discovery of a monolith depicting Coyolxauhqui, the Mexica lunar goddess. “Coyolxauhqui: The star, the goddess, the discovery” displays more than 150 archaeological objects focused on the mythology, symbolism and scientific research around this deity. In 1978, near Mexico City’s …