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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).
4.509 km – height of Mount Wilhelm, highest peak in Papua New Guinea; 4.810 km – height of Mont Blanc, highest peak in the Alps; 4.884 km – height of Carstensz Pyramid, highest peak in Oceania [147] 4.892 km – height of Mount Vinson, highest peak in Antarctica; 5.610 km – height of Mount Damavand, highest peak in Iran
In 2019, 39 million km 2 (15 million sq mi) of Earth's land surface consisted of forest and woodlands, 12 million km 2 (4.6 million sq mi) was shrub and grassland, 40 million km 2 (15 million sq mi) were used for animal feed production and grazing, and 11 million km 2 (4.2 million sq mi) were cultivated as croplands. [270]
The USA Cross Country Championships, first held in 1890, include six races: masters women (8 km), masters men (8 km), junior women (6 km), junior men (8 km), open women (8 km) and open men (12 km). In addition to crowning national champions, the championships serve as the trials race to select the Team USA squad for the IAAF World Cross Country ...
Start with fewer miles and then increase over time to create a more sustainable routine. Aim for: anywhere between 2,000 and 8,000 steps per day—which is between one and four miles. Keep in mind ...
The radar mile is a unit of time (in the same way that the light year is a unit of distance), equal to the time required for a radar pulse to travel a distance of two miles (one mile each way). Thus, the radar statute mile is 10.8 μs and the radar nautical mile is 12.4 μs.
The South Pole-Aitken basin is believed to be the largest and oldest crater on the moon, spanning nearly a quarter of the lunar surface with a diameter measuring roughly 1,550 miles (2,500 ...
The giant structure is 5,249ft (1,600m) tall and covers 14 square km