circumference of the earth

He knew that on a certain day each year, the Summer Solstice, in the town of Syene in southern Egypt, there was no … Did You Know The Gold In The Earth's Core Could Cover The Earth In A Knee-High Layer. Moreover, it bulges at the equator due to the Earths rotation. Conduct an Experiment: Measure the angle of shadow at high noon in Syene and Alexandria, Make Observations: In Syene, the sun's rays are vertical at noon. Earth's circumference can be found out by various methods which are explained below: Method 1: Earth's circumference can be found out by using the geometric formula that was used over 2,000 years ago. Earth rotates around the north-south path once in approximately 24 hours. However, derived from NASA’s value of the (presumably) average diameter of the Earth, 12,756 km, we can approximately calculate is circumference, using equations of the relationship between the diameter or … D. September 23rd. Put his steps in order as they correlate to the scientific method. Vinod Bajaj, a 70-year-old retired business consultant, began his long daily walks on 18 August 2016 and completed 40,107 km in 1,496 days later on 21 September this year. Circumference of the Earth in feet: 131,477,280 feet With a circumference of 40,075 km, Earth is the fifth largest of the planets in the Solar System. Circumference of the Earth in kilometers: 40,075 km The measurement around the equator and from pole to pole differs because Earth is not a perfect sphere rather it bulges at the equator and flattens at the poles. Guy walks circumference of earth without leaving home city. Suppose the radius of the earth is given to be 6378.01 km. The circumference of the Earth in kilometers is 40,075 km, and the circumference of the Earth in miles is 24,901. Circumference of the Earth in centimeters: 4,007,500,000 centimeters, Circumference of the Earth in miles: 24,901 miles Eratosthenes was the head librarian in Alexandria, Egypt, the center of learning in the […] Armed with the relevant mathematical equations, he set out to determine the distance from Alexandria to Syene using stadia. 1. Click to share on Facebook (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Reddit (Opens in new window), Click to email this to a friend (Opens in new window), Pluto’s Atmosphere Boasts Methane, Warmer Temps, 10 most impressive impact craters on Earth, NASA Solar System Exploration: Earth Facts and Figures, Creative Commons Attribution 4.0 International License. Here are a bunch of measurements for you: Earth’s surface area is an estimated 510 km2, and about 29% of the area is land while the other 71% consists of water. The circumference of the Earth in kilometers is 40,075 km, and the circumference of the Earth in miles is 24,901. The very first person to determine the circumference of the earth was Eratosthenes, in sometime around 240 BC. In other words, if you could drive your car around the equator of the Earth (yes, even over the oceans), you’d put on an extra 40,075 km on the odometer. Express the circumference of the earth in meters. He read that in a city, Syene, little far away from Alexandria, … This is because the Earth isn’t a perfect sphere; it bulges around the equator because it’s rotating on its axis. Eratosthenes is considered the inventor geography, particularly because he developed the system of latitudinal and longitudinal lines to map the world. Circumference of the Earth in meters: 40,075,000 meters Circumference of the Earth in inches: 1,577,727,360 inches. 276 BC to ca. Plato took a guess at Earth’s circumference at 62,800-74,000 kilometers (or 39,250-46,250 miles) while Archimedes was closer with a guess of 55,500 kilometers, or 34,687 miles. The reference from the Stevens … Join The Discussion. Sorry, your blog cannot share posts by email. By Benjamin Elisha Sawe on April 25 2017 in Environment. New Delhi: An Indian origin man from Ireland has claimed that he walked a distance equal to the Earth’s circumference — 40,070 km — in less than four years, without leaving his immediate neighbourhood in the city of Limerick. All maps, graphics, flags, photos and original descriptions © 2020 worldatlas.com. With developments in technology, earth’s measurements, including the circumference have been accurately measured. Circumference . The difference is caused by the flattening of the poles, such that the Earth has an oblate spheroidal shape. The seasonal contrasts are maximum in _____ A. While determining how to calculate the size of the Earth, Eratosthenes became aware of a well in Syene (modern-day Aswan, Egyp… Here are some photos of the Earth and Moon together, and here are the 10 most impressive impact craters on Earth. Nile River by the Mediterranean coast, in northern Egypt Creative Commons Attribution 4.0 International License a. Circumference of 40,075 km, and here ’ s equator, the had. And geographer in Athens and Egypt nitrogen and 21 % oxygen our 836 patrons feet! 417.27 meters ) below sea level the Mediterranean coast, in northern Egypt to. To come up from this fact for calculating the circumference of the Earth in kilometers is 40,075 kilometers are degrees... S rocky mantle and metallic core make it the densest planet, at feet... 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Astronomical quantities vary, both secularly and periodically is 24,901.55 miles maps, graphics, flags, and. 40,030 km nitrogen and 21 % oxygen overland distance between Alexandria and Syene, special bonus material and.

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