Mayan astronomers created their highly accurate calendars by meticulously tracking the movements of which celestial bodies?

The moon and various constellations

To record their history and the lineage of their rulers in a durable, public format, Mayan scribes carved hieroglyphs onto what structures?

Stelae, which were large stone columns

Wooden tablets for temporary messages

The interior walls of residential homes

Large stone columns for public inscriptions

Clay tablets used for tracking merchant inventory

Knotted strings used for counting and record-keeping

Bark-paper books for recording history, astronomy, and rituals