Gravitational lensing is useful to cosmologists because it is directly sensitive to the amount and distribution of dark matter. This is because the amount of light bending is sensitive only to the strength of the gravitational field it passes through*, which is mostly generated by the mass of the dark matter in the Universe.
Union City is a city in Wayne Township, Randolph County, Indiana, United States. As of the 2010 census, the city had a population of 3,584. Union City was a stop along the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, a forerunner of the Pennsylvania Railroad that connected Pittsburgh to Chicago and St. Louis.
Sponsored Topics. Union Star is a city in DeKalb County, Missouri, United States, along the Third Fork of the Platte River. The population was 433 at the 2000 census, at which time it was a town. It is part of the St. Joseph, MOâKS Metropolitan Statistical Area.