zenithal passage造句

• Vincent Malmstr鰉 identifies a correlation between the 260-day cycle and the 260-day gap between zenithal passages of the sun.
• The mesoamerican calendar probably originated with the Olmecs, and a settlement existed at Izapa, in southeast Chiapas Mexico, before 1200 BCE . There, at a latitude of about 15?N, the Sun passes through zenith twice a year, and there are 260 days between zenithal passages, and gnomons ( used generally for observing the path of the Sun and in particular zenithal passages ), were found at this and other sites.
• The mesoamerican calendar probably originated with the Olmecs, and a settlement existed at Izapa, in southeast Chiapas Mexico, before 1200 BCE . There, at a latitude of about 15?N, the Sun passes through zenith twice a year, and there are 260 days between zenithal passages, and gnomons ( used generally for observing the path of the Sun and in particular zenithal passages ), were found at this and other sites.