The bold question-askers at What If map out how a 40,000 km highway around the equator could revolutionize global travel.

Dubai: At precisely 5:42 a.m. local time on Saturday, June 21, 2025, the sun stood directly above the Tropic of Cancer, ...

It takes 24 hours for the Earth to make one rotation. Since the circumference is smaller at the poles, the poles travel at 0.00005 mph to move about six feet in circumference in 24 hours.

It takes 24 hours for the Earth to make one rotation. Since the circumference is smaller at the poles, the poles travel at 0.00005 mph to move about six feet in circumference in 24 hours.

The circumference of Earth at the equator is 24,901 miles, so it was as if they'd traveled more than six times around the globe.

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

The Earth is below your feet, yes – but your location is mostly the product of physics and math, the legacy of mathematicians, satellites, and powerful U.S. military computers.

Eratosthenes’ figure for the circumference of the earth at the equator was not the only figure mooted by scholars before Strabo. Lower figures were also doing the rounds. Posidonius, at work some ...

The effect can be subtle, but it is there. The circumference of the Earth at the equator is approximately 40,075 kilometres, while at the poles, it measures about 40,008 kilometres.

Eighty-two-year-old Kona resident Joe Wilcox celebrates after completing a 50-year goal of running the circumference of the earth (polar; 24,860 miles) on Oct. 28, 2024 near Kailua Pier along Ali ...

As well as the equator having lower gravity, Earth's spin is faster there, giving rockets an extra boost when launched from the line. Today, the equator passes through 13 countries.