The earth's circumference in miles
WebJul 6, 2024 · Earth's polar radius is 3,950 miles (6,356 km) — a difference of 13 miles (22 km). Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). 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 … See more • Krebs, Robert E.; Krebs, Carolyn A. (2003). "Calculating the Earth's Circumference". Groundbreaking Scientific Experiments, Inventions, and Discoveries of the Ancient World. Greenwood Publishing Group. p. 52. ISBN 978-0-313-31342-4. • Nicastro, Nicholas (25 … See more
The earth's circumference in miles
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WebEarth is rounded into an ellipsoid with a circumference of about 40,000 km. It is the densest planet in the Solar System. Of the four rocky planets, it is the largest and most massive. Earth is about eight light-minutes away … WebFigure 1. Eratosthenes' method for measuring the circumference of the Earth (obviously, not to scale). Since there are 360 degrees in a circle, by dividing the central angle into 360, he …
WebQuestion: Part F - Making estimations Estimate and determine the order of magnitude of the circumference of the Earth in miles and the speed of a sailboat in miles per hour. View Available Hint(s) The Earth's circumference is 10mile and the the speed of a sailboat is 10 mile/hour The Earth's circumference is 104 mile and the the speed of a sailboat is 10 … WebOct 31, 2024 · Facts you need to know. The Earth’s circumference was first accurately measured more than 2,200 years ago by a Greek astronomer named Eratosthenes. Eratosthenes method was very simple; he measured the length of a shadow from a vertical stick of a known height in two cities on the same day. The ratio between the north-south …
WebDec 25, 2016 · One nautical mile is 1 minute of arc. There are 60 minutes in a degree and 21 600 minutes in a circle (60 x 360). Now, one nautical mile is 1.852 km, therefore, the circumference of the Earth is 40 000 km. The circumference of a circle is given by π d, where d is the diameter. Divide 40 000 km by π & the diameter of the earth is 12 733 km. … WebMar 22, 2024 · Earth is the third planet from the Sun at a distance of about 93 million miles (150 million km). 3 As the World Turns A day on Earth is 24 hours. Earth makes a …
WebLength of the rope (at ground level) is equal to the Earth’s circumference: C Earth = 2 π R Earth Length of the rope raised above the ground by any height (h): C Rope = 2 π (R Earth + h ...
WebMay 28, 2024 · This means that you have moved 30 degrees around the Sphere (Earth) in those 400 miles. Well, since there are 360 degrees in a circle and 30/360 = 1/12, then 400 must be 1/12th of the total circumference of the Earth. So the circumference of the Earth is 12 * 400 or 4800 miles. Now take note: these numbers are made up and do not reflect ... the chicken supply restaurantWebIn 200 B.C.E., Erastothenes estimated the circumference of the Earth to be about 46,250 km (at the time he used a different unit for distance, the stadia). Today we know that the Earth’s circumference is roughly 40,000 km (24,854 miles). the chicken store van burenWebDec 24, 2015 · The equatorial circumference of the Earth is 40,075 km. This is the distance around the equator of the Earth. If you measure the circumference of the Earth, while … the chicken vet ukWebThe flattened spherical nature of Earth is reflected in terms of its equatorial and meridional circumference. At the equator, Earth has a circumference of 24.901.461 mi / 40.075.017 km. When it comes to measurements from … the chicken \u0026 rice guysWebJan 31, 2024 · To calculate it, follow these steps: Assume the height of your eyes to be h = 1.6 m. Build a right triangle with hypotenuse r + h (where r is Earth's radius) and a cathetus … the chicken tenderWebFeb 6, 2024 · Next, the velocity of the orbiting object can be related to its radius and period, by recognizing that the distance = velocity x time, where the distance is the length of the circular path and time is the period of the orbit, so \[v=\frac{d}{t}=\frac{2\pi r}{T} \nonumber\] where 2\(\pi\)r is the circumference and \(T\) is the orbital period. taxes on 2500 lottery winWebMar 26, 2016 · Eratosthenes divided 360° by 7.2° and got 50, which told him that the distance between Alexandria and Syene (500 miles) was 1/50 of the total distance around … the chicken toy