Earth circumference kilometers

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August undefined, 2024

Web159 Likes, 1 Comments - Ultimate Facts (@ultimatefactsapp) on Instagram: "Did you know? ☺️ "Earth's spin is constant, but the speed depends on what latitude you are l..." Ultimate Facts on Instagram: "Did you know? ☺️ "Earth's spin is constant, but the speed depends on what latitude you are located at. WebMay 5, 2024 · Due to the centrifugal force created by the Earth’s rotation, its circumference at the equator is bigger than the circumference through the poles (a fact predicted by Isaac Newton). This makes it actually closer to an ellipsoid than a sphere and the circumference through the poles is about 40,007 km.

How fast is the earth moving? - Scientific American

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 … WebSince he had calculated this distance to also be 1/50th of the Earth’s circumference, then 50 times 5000 stadia yields 250,000 stadia for the Earth’s circumference. ... Traditionally, it is assumed that there are 6 stadia in a kilometer (km), meaning that Eratosthenes found the Earth’s circumference to be about 42,000 km (26,000 mi ... how to do a virtual phone call with a doctor

Online calculator: Earth Radius by Latitude (WGS 84)

WebEarth's circumference (the distance all the way around the equator) is 24,901 miles (40,075 kilometers). Its diameter (the distance from one side to the other through Earth's center) is 7,926 miles (about 12,756 kilometers). WebDec 10, 2016 · Image: juliantrubin.com. So, if one would know the distance between Syene and Alexandria, s/he could calculate the circumference of the Earth. 360/7 is close to 1/50th of a circle, so Eratosthenes concluded … WebApr 12, 2024 · Mercury is small with an equatorial circumference of 9,525.1 miles (15,329.1 km), a little more than 1/3 the width of Earth. It is the closest planet to our Sun at an average distance of 36 million miles (58 million kilometers or 0.4 AU). Mercury’s axis is tilted just 2 degrees, meaning little to no seasonal variations. the national quotes

Circumference of the Earth - Universe Today

Equator - National Geographic Society

WebSep 25, 2016 · An arc of 1 radian = the radial distance of the the latitude circle, from. the center.of the Earth. 1o = π 180 radian. At the equator, θ = 0 and this arc length = 111.32 km, nearly. At Baltimore, θ = 39.48o and the length is 111.16 km, nearly. At the poles, θ = 90o and the length = 110.95 km, nearly. Note that this arc is along a great circle. WebOct 22, 2024 · (C = 2πr) With this information, Eratosthenes inferred that the Earth's radius was 6366 km. Both of these values are very close to the accepted modern values for the … the national quilting associationWebThe circumference of the Earth varies depending on the length of its diameter at the equator and the poles. It is about 40,075 km around the equator and about 40,008 km … the national radar

"WebApr 12, 2024 · Earth Overview In Depth By the Numbers Exploration Galleries Earth vs Units of Measure: Compare all Eight Planets The numbers displayed here are … " - Earth circumference kilometers

Earth circumference kilometers

Circumference and Diameter of the Earth - Universe Today

WebJan 21, 2024 · The sun's circumference is about 2,715,396 miles (4,370,006 km). ... or more than 100 times the mass of the Earth. While that sounds like a lot, it's only about 0.05 percent of the star's total mass. Web1 Ec = 40000 km. 1 x 40000 km = 40000Kilometers. Always check the results; rounding errors may occur. Definition: The kilometer (SI symbol: km) or kilometre (British spelling) …

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http://lyberty.com/encyc/articles/earth.html WebDetermining the earth's size. By the fifth century BCE, the Greeks had firmly established that the earth was a sphere.Although they knew it was a sphere, they didn't know how big the sphere was. The philosopher Plato (400 BCE) declared the earth's circumference to be 64,412 kilometers (40,000 miles).Some 150 years later, the mathematician Archimedes …

WebFeb 7, 2024 · The moon's mass is 7.35 x 1022 kg, about 1.2% of Earth's mass. Put another way, Earth weighs 81 times more than the moon. The moon's density is 3.34 grams per cubic centimeter (3.34 g/cm3). That ... WebJan 11, 2024 · The earth, as we said, is an oblate spheroid, so geodesists (scientists who measure the earth and its position in space) have measured and calculated the average …

WebOr, if it was actually a different stadion that he used, he may have been off by about 16%. That is still pretty good! The actual polar circumference of Earth is just a bit over 40 thousand km (about 24,860 miles). Eratosthenes was a talented mathematician and geographer as well as an astronomer. WebOct 26, 1998 · The earth rotates once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period, and its circumference is roughly 40,075 kilometers. Thus, the surface of the earth at the equator ...

WebDec 20, 2024 · The orbit changes over the course of the year so the distance from the Moon to Earth roughly ranges from 357,000 km to 407,000 km, giving velocities ranging from 1.100 to 0.966 km/s. Lunar …

WebASK AN EXPERT. Science Earth Science The Earth has a circumference of approximately 40,075 kilometers. If you were to walk around the entire Earth at the equator without stopping, and you maintained a walking speed of 5 kilometers per hour, how many hours would it take you to walk around the Earth? The Earth has a circumference of … how to do a virtual photo shootWebStudy with Quizlet and memorize flashcards containing terms like Which of the following statements about earth is correct? a. the equatorial circumference is 67 km (42 mi.) less than the polar circumference. b. The earth is the largest planet in the solar system. c. The equatorial circumference is 67 km (42 mi.) greater than the polar circumference. d. the … the national r b music societyhttp://www.geo.hunter.cuny.edu/~jochen/gtech201/lectures/lec6concepts/Datums/Determining%20the%20earths%20size.htm how to do a virtual meetingWebMeasuring 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 national r\u0026d program of chinaWebThis year, the minimum extent of Arctic sea ice dropped to 1.82 million square miles (4.72 million square kilometers). NASA Finds 2024 Arctic Summer Sea Ice 12th-Lowest on Record The lander cleared enough dust from one solar panel to keep its seismometer on through the summer, allowing scientists to study three big quakes. how to do a virtual tie breakerWebSpeed of Rotation = Distance/Time = 40,000 km / 24 hr = 1670 km/hr. The speed of revolution around the Sun is even larger: Speed of the Earth's Revolution around the Sun: Radius of the Earth's Orbit = 1 AU = 150,000,000 kilometers Circumference of the Earth's Orbit = 2*pi*R = 942,000,000 kilometers Time to complete one Orbit = 365.2422 days ... how to do a virtual sweepstakeWebOrbit Size Around Sun. Metric: 149,598,262 km English: 92,956,050 miles Scientific Notation: 1.4959826 x 10 8 km Astronomical Units: 1.000 A.U. the national railroad passenger corporation