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7 hours ago · Brown dwarfs are substellar objects that have more mass than the biggest gas giant planets, but less than the least massive main-sequence stars.Their mass is approximately 13 to 80 times that of Jupiter (M J) [2] [3] —not big enough to sustain nuclear fusion of ordinary hydrogen (1 H) into helium in their cores, but massive enough to emit some light and heat from the fusion of deuterium (2 H).
7 hours ago · Tuscaloosa (/ ˌtʌskəˈluːsə / TUS-kə-LOO-sə) is a city in and the county seat of Tuscaloosa County in west-central Alabama, United States, [ 7 ] on the Black Warrior River where the Gulf Coastal and Piedmont plains meet. Alabama's fifth-most populous city, the population was 99,600 at the 2020 census, [ 5 ] and was estimated to be ...
7 hours ago · Samuel H. Preston: Fredrick J. Warren Professor of Demography; known for his development of the Preston curve; Amir Pnueli: associate professor at the Moore School of Engineering 1976–1978; Turing Award winner; Hans Rademacher: Scott Chair, professor of mathematics; known for his theory of the reciprocity law for Dedekind sums
7 hours ago · Death. Lying in state. v. t. e. Henry Clay Sr. (April 12, 1777 – June 29, 1852) was an American lawyer and statesman who represented Kentucky in both the U.S. Senate and House of Representatives. He was the seventh House speaker as well as the ninth secretary of state. He unsuccessfully ran for president in the 1824, 1832, and 1844 elections.
