
Tropic
Geographical Boundaries
The tropics are specific regions, not general hot places.
Countries close to the Tropic of Cancer experience hot climates.
23.5 Degrees
'Tropic' lines mark 23.5 degrees north and south of the equator.
Mexico lies just inside the Tropic of Cancer.
Seasonal Relevance
The position of the sun at solstices defines the tropic lines.
The Tropic of Capricorn is the southern limit for the sun's vertical rays during December.