Colección: TEMAS
| Temas | Cantidad |
|---|---|
| Archeoastronomia, Storia dell’Astronomia, Calendari Maya | 1 |
| _empty_ | 1 |
| calendario, Lungo Computo, GMT, Maya, analisi statistica, correlazione. | 1 |
| pseudoscience; astronomy; science literacy; science outreach; apocalypse | 1 |