WebWhen measured around the equator, the circumference of the Earth is 131,477,280 feet. It is 131,260,800 feet when measured from the North Pole to the South Pole. Method to … WebMeasuring the Circumference of the Earth. More than 2,000 years ago Eratosthenes compared the position of the Sun’s rays in two locations to calculate the spherical size of the Earth with reasonable accuracy. Eratosthenes was born in the Greek colony Cyrene, now the city of Shahhat, Libya. As a young man, he traveled to Athens to pursue his ...

Earth Fact Sheet - NASA

Earth's circumference is the distance around Earth. Measured around the Equator, it is 40,075.017 km (24,901.461 mi). Measured around the poles, the circumference is 40,007.863 km (24,859.734 mi). Measurement of Earth's circumference has been important to navigation since ancient times. The first known … See more Eratosthenes The measure of Earth's circumference is the most famous among the results obtained by Eratosthenes, who estimated that the meridian has a length of 252,000 stadia, … See more • Earth radius • Spherical Earth • Nautical mile See more • Carl Sagan demonstrates how Eratosthenes determined that the Earth was round and the approximate circumference See more In 1617 the Dutch scientist Willebrord Snellius assessed the circumference of the Earth at 24,630 Roman miles (24,024 statute miles). Around that time British mathematician Edmund Gunter improved navigational tools including a new quadrant to determine … See more • Krebs, Robert E.; Krebs, Carolyn A. (2003). "Calculating the Earth's Circumference". Groundbreaking Scientific Experiments, … See more The metre was originally defined as 1⁄10,000,000 of the length of the meridian arc from the North pole to the equator, thus one kilometre of distance corresponds to one centigrad (also known as centesimal arc minute) of latitude. The Earth's circumference is therefore approximately 40,000 km. The equatorial circumference is slightly longer than the polar circumference – the measurement based on this (40,075.017 km/360 × 60 = 1,855.3 metres) is known as the geographical mile. how do you harvest lettuce seeds

Equator Definition, Location, & Facts Britannica

WebIt is located halfway between the North and South poles. The equator is 40,075 kilometers (24,901 miles) long. Earth isn’t a perfect sphere. Because of its spin, it bulges slightly at … Web2 days ago · Q: The Earth has a circumference of approximately 40,075 kilometers. If you were to walk around the… If you were to walk around the… A: We are given the Earth's circumference at the equator and a hypothetical walking speed. WebJun 21, 2024 · Explanation: The length of the Equator is 24,901 miles (the circumference of the Earth). As you move away from the Equator every degree latitude is a little smaller as you are no longer measuring the Earth circumference at the Earth's widest point. The North Pole is 90 degrees north latitude and is actually just a point. Answer link. how do you harvest mint