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The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of area in the International System of Units (SI) with symbol m 2. [1]
10 20 100 Gm 2 10 21: 1 zetta square meter Z(m 2) 1 000 Gm 2: 10 22 11 000 Gm 2: Area swept by Mercury's orbit around the Sun 37 000 Gm 2: Area swept by Venus' orbit around the Sun 71 000 Gm 2: Area swept by Earth's orbit around the Sun 10 23 160 000 Gm 2: Area swept by Mars' orbit around the Sun 281 000 Gm 2: Surface area of a Dyson sphere ...
To help compare different orders of magnitude, this section lists lengths between 10 −21 m and 10 −20 m (1 zm and 10 zm). 2 zm – the upper bound for the width of a cosmic string in string theory. [citation needed] 2 zm – radius of effective cross section for a 20 GeV neutrino scattering off a nucleon [3]
The International System of Units is the modern metric system. It is based on the metre–kilogram–second–ampere (MKSA) system of units from early in the 20th century. [20] It also includes numerous coherent derived units for common quantities like power (watt) and irradience (lumen).
The square kilometre (square kilometer in American spelling; symbol: km 2) is a multiple of the square metre, the SI unit of area or surface area.. 1 km 2 is equal to: . 1,000,000 square metres (m 2)
The woman accused of stabbing a postal worker to death over a spot in line at a Harlem deli has a long history of knife violence — and once threatened “to cut” one of her previous victims.
City square City Country Area Dimensions, notes Year Photo Ref (m 2) [1] (ft 2) ; Xinghai Square: Dalian China 1,760,000 18,900,000: Commemorates the centenary of the founding of the city
A new study suggests that a diet filled with protein and fiber may be the most effective for weight loss. Here's what a dietitian wants you to know.