http://www.iciba.com/word?w=circumference WebOct 8, 2012 · In 200 BCE, after all, Eratosthenes calculated the circumference of the earth to within one percent of its actual girth. He figured that one degree of latitude was equal to 59.5 nautical miles.
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WebMar 2, 2009 · Circumference of the Earth in miles: 24,901 miles Circumference of the Earth in feet: 131,477,280 feet Circumference of the Earth in inches: 1,577,727,360 inches We have written many... WebThe earth is almost 25 000 miles in circumference. 地球的周长大约为25 000英里。 ... The earth's circumference is about 25,000 miles. 地球的圆周约为25,000英里.
WebOct 12, 2024 · Tuesday, October 12, 2024 - 16:00. Will Sullivan, Staff Writer. (Inside Science) -- Earth might look like a sphere, but it's actually an "oblate spheroid" -- the planet is slightly squished, making the circumference of the equator bigger than the circumference through the poles. Clouds, ocean currents, and long-range missiles all … WebSemimajor axis (10 6 km) 149.598 Sidereal orbit period (days) 365.256 Tropical orbit period (days) 365.242 Perihelion (10 6 km) 147.095 Aphelion (10 6 km) 152.100 Mean orbital velocity (km/s) 29.78 Max. orbital …
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).... WebJan 11, 2024 · 7.2°/360° = 1/50. So, if 804 km or 500 mi. (or 5,000 stadia for Eratosthenes) was 1/50th, multiplication gives you the earth's circumference: 500 mi. x 50 = 25,000 mi. 804 km x 50 = 40,200 km. And for any of you ancient Greeks out there, 5,000 stadia x 50 = 250,000. stadia. The earth, as we said, is an oblate spheroid, so geodesists ...
WebEarth circumference at Equator: 40,070 kilometers = 24,883 miles Earth day: 24 hours Then Earth Rotation Speed at our Equator: 1670 km/hr = 1037 mi/hr Note that our Earth has 24 Time Zones, so each zone is 1670 km or 1037 miles across at the Equator. The Equator is 0° latitude. Going north, latitude increases to 90° North (N) latitude at the
WebJan 31, 2024 · r r — Earth's radius, equal to 3959 miles or 6371 km. This equation can be derived using the Pythagorean theorem. You can try to derive it yourself – it is not that … north carolina panthers ticketsWebJun 27, 2024 · Earth measures 24,898 miles (40,070 kilometers) in circumference, so when you divide distance by time, that means the planet is spinning 1,037 mph ( 1,670 km/h). Meanwhile, Earth orbits the... north carolina panthers mascotWebSince the Earth is flattened at the poles and bulges at the equator, geodesy represents Earth's shape with an oblate spheroid. The oblate spheroid, or oblate ellipsoid, is an ellipsoid of revolution obtained by rotating an ellipse about its shorter axis. It is the regular geometric shape that most nearly approximates the shape of the Earth. north carolina papersWebMay 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. how to reset a vizio tv remotehttp://lyberty.com/encyc/articles/earth.html north carolina panthers head coachWebMar 23, 2024 · Jupiter has a mean radius of 43,440.7 miles (69,911 kilometers), according to NASA Science. That's about a tenth that of the sun. However, its rapid rotation — it spins once every 9.8 hours,... north carolina paper mapWebUnderstanding the circumference of the earth is important for many reasons, including navigation, planning for space missions, and measuring distances around the globe. ... Eratosthenes was able to calculate that Earth’s circumference was 40,010 km (24,902 miles). This number is remarkably close to modern calculations which put Earth’s ... how to reset a weiser smart lock