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Donald D. Clayton
Donald Delbert Clayton (March 18, 1935 – January 3, 2024) was an American astrophysicist whose most visible achievement was the prediction from nucleosynthesis theory that supernovae are intensely radioactive. That earned Clayton the NASA Exceptional Scientific Achievement Medal (1992) for “theoretical astrophysics related to the formation of (chemical) elements in the explosions of stars and to the observable products of these explosions”. Supernovae thereafter became the most important stellar events in astronomy owing to their profoundly radioactive nature. Not only did Clayton discover radioactive nucleosynthesis during explosive silicon burning in stars but he also predicted a new type of astronomy based on it, namely the associated gamma-ray line radiation emitted by matter ejected from supernovae. That paper was selected as one of the fifty most influential papers in astronomy during the twentieth century for the Centennial Volume of the American Astronomical Societ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shenandoah, Iowa
Shenandoah is a city in Page County, Iowa, Page and Fremont County, Iowa, Fremont counties in Iowa, United States. The population was 4,925 at the time of the 2020 United States Census, 2020 U.S. Census. Once referred to as the "seed and nursery center of the world," Shenandoah is the home to Earl May Seed Company and the radio station KMA (AM), KMA, founded by Earl E. May. The early live radio stations gave many performers their start, including The Everly Brothers and Charlie Haden. History Shenandoah, originally known as Fair Oaks, was platted in 1870, shortly after the arrival of the Chicago, Burlington and Quincy Railroad into the neighborhood. Its name is derived from the local valley's resemblance to the Shenandoah Valley, in Virginia. In 1885, a smallpox epidemic in Shenandoah prompted the closing of schools, and the cancellation of church services and public meetings. Quarantine orders were established for households with smallpox, and guards were posted outside affect ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heidelberg
Heidelberg (; ; ) is the List of cities in Baden-Württemberg by population, fifth-largest city in the States of Germany, German state of Baden-Württemberg, and with a population of about 163,000, of which roughly a quarter consists of students, it is List of cities in Germany by population, Germany's 51st-largest city. Located about south of Frankfurt, Heidelberg is part of the densely populated Rhine-Neckar, Rhine-Neckar Metropolitan Region which has its centre in Mannheim. Heidelberg is located on the Neckar River, at the point where it leaves its narrow valley between the Oden Forest and the Kleiner Odenwald, Little Oden Forest, and enters the wide Upper Rhine Plain. The old town lies in the valley, the end of which is flanked by the Königstuhl (Odenwald), Königstuhl in the south and the Heiligenberg (Heidelberg), Heiligenberg in the north. The majority of the population lives in the districts west of the mountains in the Upper Rhine Plain, into which the city has expan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Braniff Airlines
Braniff Airways, Inc., operated as Braniff International Airways from 1948 until 1965, and then Braniff International from 1965 until the cessation of air operations, was an American airline that operated from 1928 until 1982 and continues today as a retailer, hotelier, travel service and branding and licensing company, administering the former airline's employee pass program and other airline administrative duties. Braniff's routes were primarily in the midwestern and southwestern United States, Mexico, Central America, and South America. In the late 1970s it expanded to Asia and Europe. The airline ceased air carrier operations in May 1982 because of high fuel prices, credit card interest rates and extreme competition from the large trunk carriers and the new airline startups created by the Airline Deregulation Act of December 1978. Two later airlines used the Braniff name: the Hyatt Hotels-backed Braniff, Inc. in 1983–89, and Braniff International Airlines, Inc. in 199 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Texas
Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the west, and has Mexico-United States border, an international border with the Mexican states of Chihuahua (state), Chihuahua, Coahuila, Nuevo León, and Tamaulipas to the south and southwest. Texas has Texas Gulf Coast, a coastline on the Gulf of Mexico to the southeast. Covering and with over 31 million residents as of 2024, it is the second-largest state List of U.S. states and territories by area, by area and List of U.S. states and territories by population, population. Texas is nicknamed the ''Lone Star State'' for its former status as the independent Republic of Texas. Spain was the first European country to Spanish Texas, claim and control Texas. Following French colonization of Texas, a short-lived colony controlled by France, Mexico ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Great Depression
The Great Depression was a severe global economic downturn from 1929 to 1939. The period was characterized by high rates of unemployment and poverty, drastic reductions in industrial production and international trade, and widespread bank and business failures around the world. The economic contagion began in 1929 in the United States, the largest economy in the world, with the devastating Wall Street stock market crash of October 1929 often considered the beginning of the Depression. Among the countries with the most unemployed were the U.S., the United Kingdom, and Weimar Republic, Germany. The Depression was preceded by a period of industrial growth and social development known as the "Roaring Twenties". Much of the profit generated by the boom was invested in speculation, such as on the stock market, contributing to growing Wealth inequality in the United States, wealth inequality. Banks were subject to laissez-faire, minimal regulation, resulting in loose lending and wides ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fontanelle, Iowa
Fontanelle is a city in Summerset Township, Adair County, Iowa, United States. The population was 676 at the time of the 2020 United States census, 2020 census. History Fontanelle was platted in 1855, by New York state native James C. Gibbs (1820–1907),''Adair County History 1976'' who followed the arrival of a transient named Collins. In the summer of that year, Gibbs purchased lots on the northeast of the city square where he constructed a large log cabin. He brought his family there to live. Gibbs ran a hotel out of the log cabin briefly. He died in 1907, aged 86, and is buried with his wife, Phoebe, in Fontanelle Cemetery. On August 23, 1871, Fontanelle was officially incorporated as a city. D. M. Valentine purchased lots immediately to the west of Gibbs', thus becoming the second settler. The city is named for chief Logan Fontanelle of the Omaha tribe, son of the French fur trader Lucien Fontanelle of the American Fur Company and an Omaha tribeswoman. Geography Accor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Milton Keynes
Milton Keynes ( ) is a city status in the United Kingdom, city in Buckinghamshire, England, about north-west of London. At the 2021 Census, the population of Milton Keynes urban area, its urban area was 264,349. The River Great Ouse forms the northern boundary of the urban area; a tributary, the River Ouzel, meanders through its linear parks and balancing lakes. Approximately 25% of the urban area is parkland or woodland and includes two Site of Special Scientific Interest, Sites of Special Scientific Interest (SSSIs). The city is made up of many different districts. In the 1960s, the government decided that a further generation of new towns in the United Kingdom, new towns in the South East England , south east of England was needed to relieve housing congestion in London. Milton Keynes was to be the biggest yet, with a population of 250,000 and area of . At designation, its area incorporated the existing towns of Bletchley, Fenny Stratford, Wolverton and Stony Stratford, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Open University
The Open University (OU) is a Public university, public research university and the largest university in the United Kingdom by List of universities in the United Kingdom by enrolment, number of students. The majority of the OU's undergraduate students are based in the United Kingdom and principally study off-campus; many of its courses (both undergraduate and postgraduate education, postgraduate) can also be studied anywhere in the world. There are also a number of full-time postgraduate research students based on the university campus at Walton Hall, Milton Keynes, Walton Hall, Milton Keynes, Buckinghamshire, where they use the staff facilities for research, as well as more than 1,000 members of academic and research staff and over 2,500 administrative, operational and support staff. The OU was established in 1969 and was initially based at Alexandra Palace, north London, using the television studios and editing facilities which had been vacated by the BBC. The first students ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Durham University
Durham University (legally the University of Durham) is a collegiate university, collegiate public university, public research university in Durham, England, founded by an Act of Parliament (UK), Act of Parliament in 1832 and incorporated by royal charter in 1837. It was the first recognised university to open in England for more than 600 years, after University of Oxford, Oxford and University of Cambridge, Cambridge, and is thus the third-oldest university in England debate, third-oldest university in England. As a collegiate university, its main functions are divided between the academic departments of the university and its Colleges of Durham University, 17 colleges. In general, the departments perform research and provide teaching to students, while the colleges are responsible for their domestic arrangements and welfare. The university is a member of the Russell Group of British research universities and is also affiliated with the regional N8 Research Partnership and int ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fulbright Fellow
The Fulbright Program, including the Fulbright–Hays Program, is one of several United States cultural exchange programs with the goal of improving intercultural relations, cultural diplomacy, and intercultural competence between the people of the United States and other countries through the mutual exchange of persons, knowledge, and skills. The program was founded by United States Senator J. William Fulbright in 1946, and has been considered as one of the most prestigious scholarships in the United States. Via the program, competitively selected American citizens including students, scholars, teachers, professionals, scientists, and artists may receive scholarships or grants to study, conduct research, teach, or exercise their talents abroad; and citizens of other countries may qualify to do the same in the United States. The program provides approximately 8,000 grants annually, comprising roughly 1,600 grants to U.S. students, 1,200 to U.S. scholars, 4,000 to foreign stud ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alfred P
Alfred may refer to: Arts and entertainment *'' Alfred J. Kwak'', Dutch-German-Japanese anime television series * ''Alfred'' (Arne opera), a 1740 masque by Thomas Arne * ''Alfred'' (Dvořák), an 1870 opera by Antonín Dvořák *"Alfred (Interlude)" and "Alfred (Outro)", songs by Eminem from the 2020 album '' Music to Be Murdered By'' Business and organisations * Alfred, a radio station in Shaftesbury, England * Alfred Music, an American music publisher * Alfred University, New York, U.S. * The Alfred Hospital, a hospital in Melbourne, Australia People * Alfred (name) includes a list of people and fictional characters called Alfred * Alfred the Great (848/49 – 899), or Alfred I, a king of the West Saxons and of the Anglo-Saxons Places Antarctica * Mount Alfred (Antarctica) Australia * Alfredtown, New South Wales * County of Alfred, South Australia Canada * Alfred and Plantagenet, Ontario ** Alfred, Ontario, a community in Alfred and Plantagenet * Alfred Island, Nunavu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Science Foundation
The U.S. National Science Foundation (NSF) is an Independent agencies of the United States government#Examples of independent agencies, independent agency of the Federal government of the United States, United States federal government that supports fundamental research and education in all the non-medical fields of science and engineering. Its medical counterpart is the National Institutes of Health. With an annual budget of about $9.9 billion (fiscal year 2023), the NSF funds approximately 25% of all federally supported basic research conducted by the List of American institutions of higher education, United States' colleges and universities. In some fields, such as mathematics, computer science, economics, and the social sciences, the NSF is the major source of federal backing. NSF's director and deputy director are appointed by the president of the United States and Advice and consent, confirmed by the United States Senate, whereas the 24 president-appointed members of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
