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10 godz. temu · One astronomical unit (about 150 million kilometres; 93 million miles) ... The core of the Sun extends from the center to about 20–25% of the solar radius. It has a density of up to 150 g/cm 3 ... and surrounding stars. As of 2022, the precise location of the Solar System in the clouds is an open question in astronomy.
10 godz. temu · The Moon is Earth's only natural satellite.It orbits at an average distance of 384,400 km (238,900 mi), about 30 times the diameter of Earth. Tidal forces between Earth and the Moon have over time synchronized the Moon's orbital period (lunar month) with its rotation period at 29.5 Earth days, causing the same side of the Moon to always face Earth. . The Moon's gravitational pull – and to a ...
10 godz. temu · Google Earth is a computer program that renders a 3D representation of Earth based primarily on satellite imagery.The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles. Users can explore the globe by entering addresses and coordinates, or by using a keyboard or mouse.
1 dzień temu · The centimetre ( SI symbol: cm) is a unit of length in the metric system equal to 10−2 metres ( 1 100 m = 0.01 m ). To help compare different orders of magnitude, this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm). 1 cm – 10 millimetres. 1 cm – 0.39 inches. 1 cm – edge of a square of area 1 cm 2.
1 dzień temu · 25 kV 50 Hz AC overhead line. Operating speed. 360 km/h (225 mph) maximum, 330 km/h (205 mph) routinely [1] High Speed 2 ( HS2) is a high-speed railway which is under construction in England. The route will be between Handsacre, in southern Staffordshire, and London, with a spur to Birmingham. HS2 is to be Britain's second purpose-built high ...
10 godz. temu · Frankfurt am Main (/ ˈ f r æ ŋ k f ər t /; German: [ˈfʁaŋkfʊʁt ʔam ˈmaɪn] ⓘ; lit. "Frank ford on the Main") is the most populous city in the German state of Hesse.Its 773,068 inhabitants as of 2022 make it the fifth-most populous city in Germany,.Located in the foreland of the Taunus on its namesake Main, it forms a continuous conurbation with Offenbach am Main; its urban area ...
10 godz. temu · Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States.With a population of 2,746,388, as of the 2020 census, it is the third-most populous city in the United States after New York City and Los Angeles.As the seat of Cook County, the second-most populous county in the U.S., Chicago is the center of the Chicago metropolitan area, often colloquially ...
