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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).
The planet Earth has a rather slight equatorial bulge; its equatorial diameter is about 43 km (27 mi) greater than its polar diameter, with a difference of about 1 ⁄ 298 of the equatorial diameter. If Earth were scaled down to a globe with an equatorial diameter of 1 metre (3.3 ft), that difference would be only 3 mm (0.12 in).
In our fast-paced, goal-oriented society, walking is often viewed as a means to an end — a way to reach our 10,000 daily steps or burn those daily calories. However, cultures around the world ...
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By the year 2000, walking was the most popular form of exercise in Japan, according to a lecture Hatano gave that year, with an estimated 40 million people stepping to it (no word on how many of ...
The orbital speed of Earth averages about 29.78 km/s (107,200 km/h; 66,600 mph), which is fast enough to travel a distance equal to Earth's diameter, about 12,742 km (7,918 mi), in seven minutes, and the distance from Earth to the Moon, 384,400 km (238,900 mi), in about 3.5 hours.
30 minutes: 180 calories. 1 hour: 355 calories. Walking Up Stairs (3 mph) 15 minutes: 120 calories. 30 minutes: 240 calories. 1 hour: 500 calories. Walking Downhill (2.5 mph) 15 minutes: 40 ...