astronomy presentation1
DESCRIPTION
astronomyTRANSCRIPT
Coordinate Systems
Torrid zone
Torrid zone
North Temperate Zone
North Frigid zone
South Temperate Zone
South Frigid zone
23º27.5'
66º32.5'
23º27.5'
66º32.5'
Spherical Triangle
Formulas for Spherical Triangle
Astronomical Triangle
The Earth Orbital Motion around the sun- The seasons