What is the only country through which both the equator and the Tropic of Capricorn pass?

And the answer: Brazil.    
Photo credit: worldatlas.com. 

Along the northern region of Brazil, the equator sits at the mouth of the Amazon river, while the Tropic of Capricorn runs along the southeastern region near São Paulo. Brazil is the only country that passes through both a tropic and the equator.

While the dividing lines that determine the Tropic of Capricorn and the Tropic of Cancer may seem confusing or even arbitrary to us now, these latitudinal lines were essential to the navigation of ancient travelers. On both land and sea, explorers could use these sun-related and celestial guides to navigate long, cross-nation travel. The Tropic of Capricorn—located at 23.5 degrees south of the equator—passes through much more open water than the Tropic of Cancer, yet it still runs through many countries, such as Chile, Argentina, Paraguay, Brazil, Namibia, Botswana, and South Africa.

Meanwhile, the equator crosses the land or territorial waters of 14 countries. Interestingly, those who live on the equator experience the quickest rates of sunrise and sunset in the world, most only taking a matter of minutes. Unlike locations north and south of the equator, countries along the equator have a constant twelve hours of day and night throughout the year.

In Brazil, the climate varies considerably due to the major latitudinal lines in its northern and southern regions, respectively. Although 90 percent of the country is within the tropical zone, the climate of Brazil varies considerably from the mostly tropical North (the equator crosses the mouth of the Amazon) to temperate zones below the Tropic of Capricorn, which cross the country at São Paulo. In total, Brazil has five climatic regions: equatorial, tropical, semiarid, highland tropical, and subtropical.

Learn more about the Tropics and the countries they impact here.

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