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Hace 1 día · In astronomy, dark matter is a hypothetical form of matter that appears not to interact with light or the electromagnetic field.Dark matter is implied by gravitational effects which cannot be explained by general relativity unless more matter is present than can be seen. Such effects occur in the context of formation and evolution of galaxies, gravitational lensing, the observable universe's ...
Hace 1 día · Toledo (/ t ə ˈ l iː d oʊ / tə-LEE-doh) is a city in and the county seat of Lucas County, Ohio, United States. At the 2020 census, it had a population of 270,871, making Toledo the fourth-most populous city in Ohio, after Columbus, Cleveland, and Cincinnati.Toledo is the 84th-most populous city in the United States. It is the principal city of the Toledo metropolitan area, which had ...
