What line divides the Earth into the Northern and Southern hemispheres?

The equator!
The equator is an imaginary horizontal line. It encircles the Earth like a belt. The equator marks the mid-point between the North and South Poles. The latitude of the equator is zero degrees.

Quito, Ecuador is near the equator. Many people travel to see a monument there called "la mitad del mundo" (the middle of the world). With one foot on each side of a red line, a person can stand in the Northern and Southern hemispheres at the same time!

Looking for Clues?
Compare your photoperiod to this week's photoperiod at the sample city of Quito, Ecuador:

Quito, Ecuador
February 8, 2010
Sunrise Sunset
06:24 18:32

Now you have the photoperiod for two known locations, yours and Quito near the equator. Using this information, can you tell which Mystery Sites are north and south of the equator?

Near Quito, Ecuador, a red line marks the location of the equator.

Equator Monument
Photo: Miguel A. Monjas

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