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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]
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).
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
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 ...
Surprisingly, the answer is 2 π m or around 6.3 metres (21 ft). In the second phrasing, considering that 1 metre (3 ft 3 in) is almost negligible compared with the 40,000 km (25,000 mi) circumference, the first response may be that the new position of the string will be no different from the original surface-hugging position.
Clickable image, highlighting medium altitude orbits around Earth, [a] from Low Earth to the lowest High Earth orbit (geostationary orbit and its graveyard orbit, at one ninth of the Moon's orbital distance), [b] with the Van Allen radiation belts and the Earth to scale To-scale diagram of low, medium, and high Earth orbits Space of Medium Earth orbits (MEO) as pink area, with Earth and the ...
1.799 × 10 7 km: 1.118 × 10 7 miles: Average distance from the Earth to the Sun is 8.317 light-minutes light-hour 60 light-minutes = 3600 light-seconds 1 079 252 848 800 m: 1.079 × 10 9 km: 6.706 × 10 8 miles: The perihelion of Saturn's orbit is about 1.25 light-hours light-day 24 light-hours = 86 400 light-seconds 25 902 068 371 200 m: 2. ...
Gerry Hughes; 2012–2013; first deaf yachtsman to sail single-handed around the world to pass the five great capes. On 1 September 2012, Hughes left Troon, Scotland to start his eight-month journey across the world. Hughes travel around the world solo, sailed 32,000 miles and became the first deaf yachtsman to passed all five southernmost capes.