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Vor einem Tag · On April 12, 1961, the Soviet cosmonaut Yuri Gagarin became the first person in space on an orbital flight. He was not present in his spacecraft during landing thus technically his mission was not initially considered as the first complete human spaceflight by then World Air Sports Federation 's definitions, although later it recognized that Gagarin was the first human to fly into space.
- United States
- Big Joe 1, September 9, 1959
- Mercury-Redstone 3, May 5, 1961
- NASA
Vor einem Tag · Purdue University is a public land-grant research university in West Lafayette, Indiana, and the flagship campus of the Purdue University system. The university was founded in 1869 after Lafayette businessman John Purdue donated land and money to establish a college of science, technology, and agriculture; the first classes were held on September 16, 1874.
- May 6, 1869; 154 years ago
- 50
- 50,884 (Fall 2022)
- 44
Vor einem Tag · Convair XF-92. Developed into. F-106 Delta Dart. The Convair F-102 Delta Dagger [N 2] was an interceptor aircraft designed and produced by the American aircraft manufacturer Convair. A member of the Century Series, the F-102 was the first operational supersonic interceptor and delta-wing fighter operated by the United States Air Force (USAF).
Vor einem Tag · Meditation lowers heart rate, oxygen consumption, breathing frequency, stress hormones, lactate levels, and sympathetic nervous system activity (associated with the fight-or-flight response), along with a modest decline in blood pressure. However, those who have meditated for two or three years were found to already have low blood pressure ...
Vor einem Tag · The Campeonato Brasileiro Série A (Portuguese pronunciation: [kɐ̃pjoˈnatu bɾaziˈlejɾu ˈsɛɾii ˈa]; English: "Brazilian Championship A Series"), commonly referred to as the Brasileirão (pronounced [bɾazilejˈɾãw]; English: "Big Brazilian"), and also known as Brasileirão Betano due to sponsorship with Betano, is a Brazilian professional league for men's football clubs.
Vor einem Tag · Maximilian Karl Emil Weber ( / ˈveɪbər /; German: [ˈveːbɐ]; 21 April 1864 – 14 June 1920) was a German sociologist, historian, jurist, and political economist who was one of the central figures in the development of sociology and the social sciences more generally. His ideas continue to influence social theory and research .
Vor 4 Stunden · 1961 During the testing of an experimental nuclear reactor design , in Arco, Idaho , two soldiers and a sailor were killed, but their deaths were not due to radiation poisoning. While trying to bring the reactor online, Byrnes, an army specialist, was supposed to pull a control rod part way out by hand, but he pulled the rod further than intended.
