Equator
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The equator is the circle of latitude that divides Earth into the Northern and Southern Hemispheres. It is an imaginary line located at 0 degrees latitude, about 21,639 nautical miles in circumference
The equator marked as it crosses Ilhéu das Rolas, in São Tomé and Príncipe
The Marco Zero monument marking the equator in Macapá, Brazil
GPS reading taken on the equator close to the Quitsato Sundial, in Cayambe, Ecuador
Sign on the equator in San Antonio de Pichincha, Ecuador
Tropics
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The tropics are the region of Earth surrounding the equator, where the Sun may shine directly overhead. This contrasts with the temperate or polar regions of Earth, where the Sun can never be directly
Aerial view of Bora Bora in French Polynesia
Tropical sunset over the sea in Kota Kinabalu in Malaysia
Coconut palms in the warm, tropical climate of Pajuçara in northern Brazil
Dragon fruit, a tropical fruit from several different cacti originally from the Americas