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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 passing through the poles, the circumference is 40,007.863 km (24,859.734 mi). [1] Treating the Earth as a sphere, its circumference would be its single most important measurement. [2]
She completed the attempt in 124 days, 10 hours and 50 minutes, starting in Berlin on the 16 June 2018, and arriving back on the 18 October. Andrew Mortensen, of Texas, became the first openly gay man to officially cycle around the world, which he did non-continuously from 2020 until 2024. [100]
44 hours and 6 minutes 8 January 1980 10 January 1980 Retains record for circumnavigation using only scheduled transportation. [25] Air France: 32 hours 49 minutes and 3 seconds 12 October 1992 13 October 1992 Concorde FAI "Westbound Around the World" world air speed record from Lisbon, Portugal. [26] [27] [28] Michel Dupont and Claude Hetru
Earth radius (denoted as R 🜨 or R E) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid (an oblate ellipsoid), the radius ranges from a maximum (equatorial radius, denoted a) of nearly 6,378 km (3,963 mi) to a minimum (polar radius, denoted b) of nearly 6,357 km (3,950 mi).
He faced challenges such as extreme weather and health issues but maintained a walking pace of around 30 km per day. [23] [24] Date Jan. 1, 2009 – June 9, 2013 Duration 4 years, 5 months, 9 days Distance 40,000 kilometres (25,000 mi) Name Tony Mangan: Third runner to successfully run around the world. Having run 50,000 km, he holds the record ...
IDEC 3, current outright record holder at 40 days, 23 hours, 30 minutes and 30 seconds.. The first around the world sailing record for circumnavigation of the world can be attributed to the surviving crew of Ferdinand Magellan's expedition, including the last captain Juan Sebastián Elcano who completed their journey in 1522.
Kepler's 3rd law of planetary motion states, the square of the periodic time is proportional to the cube of the mean distance, [4] or a 3 ∝ P 2 , {\displaystyle {a^{3}}\propto {P^{2}},} where a is the semi-major axis or mean distance, and P is the orbital period as above.
This is confirmed by multiplying by the number of sidereal days in one mean solar day, 1.002 737 909 350 795, [35] which yields the equatorial speed in mean solar hours given above of 1,674.4 km/h. The tangential speed of Earth's rotation at a point on Earth can be approximated by multiplying the speed at the equator by the cosine of the ...