Mysterious Advanced Astronomy in Mesoamerica

Of all the geographical classifications of the indigenous cultures of America that inhabited the continent, only the region called Mesoamerica had, from very early in its history, the use of letters to transmit messages. It is known that the Inca cultures and perhaps some of those that preceded them used a system to memorize stories, but such systems never used signs with values, whether they were logographic or phonetic. This uniqueness places the Mesoamerican area on a par with the cultur...