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). WebSep 10, 2016 · 9.2K 524K views 6 years ago In the mid-20th century we began launching satellites into space that would help us determine the exact circumference of the Earth: 40,030 km. But over 2000 …
Lecture 21: Rotation & Revolution of the Earth - Ohio State …
WebDec 24, 2015 · If you measure the circumference of the Earth, while passing through the poles, the distance is only 40,007 km. This is because the Earth isn’t a perfect sphere. WebEarth: 6,356.8 kilometers or 3,950 miles Equatorial Radius Half the diameter of the planet at its equator About half (53.2%) that of Earth Mars: 3,396.2 kilometers or 2,110 miles Earth: 6,378.1 kilometers or 3,963 miles Equatorial Circumference A measurement of the distance around the equator of Mars About half (53.2%) that of Earth Mars: shape directive 050 009
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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, Inventions, and Discoveries of the Ancient … See more Web1. Select the most precise experimental result for the Earth's circumference, which is 40075 km. a) 40100 ± 100 km b) 40080 ± 25 km c) 40000 ± 100 km d) 40090 ± 50 km e) 40000 ± 20 km 2. Select the most accurate experimental result for the Earth's circumference, which is 40075 km. a) 40100 ± 100 km b) 40080 ± 25 km c) 40000 ± … Web2 days ago · In the mid-20th century, humans began launching satellites into space that would help determine the exact circumference of the Earth: 40,030 km. A marble … pontoise wikipedia