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.

When ships cross the equator, Neptune celebration certificates are issued.This certificate shows a ship crossing the equator near Chisimayu, Somalia, shown on the map with a red star.

Looking for Clues?
Chisimayu, Somalia is not a Mystery Class site. However, you can find its photoperiod and compare it to others for clues.

Using this information:

• Can you tell which Mystery Classes are north and south of the equator?

• Which site is closest to the equator?

Photo: Wikipedia Commons.
The Equator
divides the Earth into Northern and Southern hemispheres.


Equator crossing certificate