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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...21 KB (2,446 words) - 04:46, 16 June 2024
Eratosthenes (redirect from On the measure of the Earth)best known for being the first person known to calculate the circumference of the Earth, which he did by using the extensive survey results he could access...37 KB (4,041 words) - 06:20, 24 June 2024
= 12,713.5046 km (7,899.8055 mi). Earth's circumference equals the perimeter length. The equatorial circumference is simply the circle perimeter: Ce=2πa...41 KB (4,269 words) - 19:27, 19 June 2024
allowing components such as nitrogen to cycle. Earth is rounded into an ellipsoid with a circumference of about 40,000 km. It is the densest planet in...219 KB (19,285 words) - 20:20, 17 June 2024
observational evidence that the Earth was spherical, and reported an estimate of its circumference. The Earth's circumference was first determined around...76 KB (8,804 words) - 16:25, 14 June 2024
Posidonius (section Earth's circumference)compared to the actual circumference of 24,901 mi (40,074 km). Posidonius was informed in his approach to finding the Earth's circumference by Eratosthenes,...36 KB (4,403 words) - 23:17, 17 June 2024- presumption of a spherical Earth, an expedition commissioned by caliph al-Ma'mun used this fact to calculate Earth's circumference to within 7,920 kilometres...46 KB (6,285 words) - 03:10, 17 June 2024
Globe (redirect from Earth globe)of the Earth that does not distort either the shape or the size of large features – land masses, bodies of water, etc. The Earth's circumference is quite...17 KB (1,952 words) - 15:36, 29 May 2024
be the Earth's circumference, r its radius, Δc the added string length and Δr the added radius. As a circle of radius R has a circumference of 2πR ...4 KB (581 words) - 16:15, 6 September 2023
established the roughly spherical shape of Earth as a physical fact and calculated the Earth's circumference. This knowledge was gradually adopted throughout...14 KB (1,639 words) - 17:50, 26 May 2024
Lunar distance (redirect from Earth-Moon distance)times Earth's diameter or 9.5 times Earth's circumference. Around 389 lunar distances make up an AU astronomical unit (roughly the distance from Earth to...40 KB (4,223 words) - 03:06, 12 June 2024
place would not be quickly apparent". Aristotle reported the circumference of the Earth (which is actually slightly over 40,000 km or 24,000 miles) to...100 KB (12,812 words) - 05:21, 14 June 2024
minute (1/60 of a degree) of latitude at the equator, so that Earth's polar circumference is very near to 21,600 nautical miles (that is 60 minutes × 360...20 KB (2,012 words) - 20:51, 20 April 2024
Geography (redirect from Geography of the earth)compute the Earth's circumference, which was close to modern values of the Earth's circumference. His estimate of 6,339.9 km for the Earth radius was only...93 KB (9,515 words) - 01:25, 22 June 2024- Geography and cartography in the medieval Islamic world (section Book on the appearance of the Earth)Hellenistic world. These efforts also enabled Muslims to calculate the circumference of the Earth. Al-Mamun also commanded the production of a large map of the...40 KB (4,700 words) - 17:37, 20 June 2024
from the equator to the North Pole along a great circle, so the Earth's polar circumference is approximately 40000 km. In 1799, the metre was redefined in...105 KB (11,276 words) - 17:55, 18 June 2024
sources state that Earth's equatorial speed is slightly less, or 1,669.8 km/h. This is obtained by dividing Earth's equatorial circumference by 24 hours. However...43 KB (4,891 words) - 11:16, 23 June 2024
See Ellipse#Circumference. The formula by Ramanujan is accurate enough.[citation needed] Williams, David R. (1 September 2004). "Earth Fact Sheet". NASA...17 KB (1,834 words) - 05:28, 17 March 2024
the arc length of a minute of latitude on a spherical Earth, so the actual Earth circumference is very near 21600 nmi. A minute of arc is π/10800 of a...27 KB (3,338 words) - 10:43, 27 June 2024- Gravity of Earth Horizon §§ Distance and Curvature Meridian arc Theoretical gravity History Pierre Bouguer Earth's circumference#History Earth's radius#History...24 KB (2,821 words) - 21:27, 5 June 2024
- and all alighting on the lawn, separated at equal distances on its circumferance, and the shaking their wings, which spread a perfume through the air