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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] Measurement of Earth's circumference has been important to navigation since ancient times. The first known scientific measurement and calculation was done by Eratosthenes, by comparing ...
Earth radius (denoted as RšØ or ) 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, the radius ranges from a maximum of nearly 6,378 km (3,963 mi) ( equatorial radius, denoted a) to a minimum of nearly 6,357 km (3,950 mi) ( polar radius, denoted b ).
In baseball, pace of play refers to the length of time between in-game action, specifically the length of time a pitcher takes between their pitches. A slow pace of play can extend the length of games, which is regarded as an issue in college baseball and professional baseball. To accelerate the pace of play, leagues have instituted rule ...
Earth orbits the Sun, making Earth the third-closest planet to the Sun and part of the inner Solar System. Earth's average orbital distance is about 150 million km (93 million mi), which is the basis for the astronomical unit (AU) and is equal to roughly 8.3 light minutes or 380 times Earth's distance to the Moon .
A baseball is the ball used in the sport of baseball. It consists of a rubber or cork center wrapped in yarn and covered with white natural horsehide or cowhide, or a synthetic composite leather. A regulation baseball is 9 to 9.25 inches (229 to 235 mm) in circumference i.e. 2.86 to 2.94 inches (73 to 75 mm) in diameter, with a weight of 5 to 5 ...
Planet Earth III. Planet Earth is a 2006 British television series produced by the BBC Natural History Unit. Five years in the making, it was the most expensive nature documentary series ever commissioned by the BBC and also the first to be filmed in high definition. [1] The series received multiple awards, including four Emmy Awards, a Peabody ...
This sports-related list is incomplete ; you can help by adding missing items. (October 2021) This is a list of most current US baseball stadiums. They are ordered by seating capacity, the maximum number of spectators the stadium can accommodate in baseball configuration. Venues with a capacity of at least 1,000 are included. Capacity of at least 10,000 # Stadium Capacity City State Home Team ...
The centimetre ( SI symbol: cm) is a unit of length in the metric system equal to 10ā2 metres ( 1 100 m = 0.01 m ). To help compare different orders of magnitude, this section lists lengths between 10 ā2 m and 10 ā1 m (1 cm and 1 dm). 1 cm ā 10 millimetres. 1 cm ā 0.39 inches. 1 cm ā edge of a square of area 1 cm 2.