WebGriffith Observatory is an observatory in Los Angeles, California on the south-facing slope of Mount Hollywood in Griffith Park.It commands a view of the Los Angeles Basin including Downtown Los Angeles to the southeast, Hollywood to the south, and the Pacific Ocean to the southwest. The observatory is a popular tourist attraction with a close view of the …

WebIn 1928, the term Universal Time (UT) was introduced by the International Astronomical Union to refer to GMT, with the day starting at midnight. Until the 1950s, broadcast time signals were based on UT, and hence on the rotation of the Earth.. In 1955, the caesium atomic clock was invented. This provided a form of timekeeping that was both more …

WebContexte. En janvier 2012, la Commission européenne a proposé une réforme globale des règles en matière de protection des données personnelles dans l’Union européenne.Cette réforme comporte deux volets : la mise à jour et la modernisation des principes énoncés dans la directive européenne de 1995 sur la protection des données, sous la forme de ce …

WebThe United States Naval Observatory (USNO) is a scientific and military facility that produces geopositioning, navigation and timekeeping data for the United States Navy and the United States Department of Defense. Established in 1830 as the Depot of Charts and Instruments, it is one of the oldest scientific agencies in the United States, and remains …

WebThe San Francisco Bay Area, often referred to as simply the Bay Area, is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California.The Bay Area is defined by the Association of Bay Area Governments to include the nine counties that border the aforementioned estuaries: Alameda, Contra Costa, …

WebMessier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy approximately 12 million light-years away in the constellation Ursa Major.It is the second-largest member of the M81 Group, with the D 25 isophotal diameter of 12.52 kiloparsecs (40,800 light-years). It is about five times more luminous than the Milky Way and its …

WebSputnik 1 (/ ˈ s p ʌ t n ɪ k, ˈ s p ʊ t n ɪ k /; see § Etymology) was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program.It sent a radio signal back to Earth for three weeks before its three silver-zinc batteries ran out, and continued in orbit for two months until …

WebThe University of Leicester (/ ˈ l ɛ s t ər / LEST-ər) is a public research university based in Leicester, England.The main campus is south of the city centre, adjacent to Victoria Park.The university's predecessor, University College, Leicester, gained university status in 1957. The university had an income of £323.1 million in 2019/20, of which £57 million was …

WebUnion Theological Seminary was founded in 1836. During the late 19th century it became one of the leading centers of liberal Christianity in the United States. In 1891, Charles A. Briggs, who was being installed as the chair of biblical studies, delivered an inaugural address in which he questioned the verbal inspiration of Scripture. When the General …

WebSydney Entertainment Centre (later known as Qantas Credit Union Arena) was a multi-purpose arena located in Haymarket, Sydney, Australia.It opened in May 1983, to replace Sydney Stadium, which had been demolished in 1970 to make way for the Eastern Suburbs railway line.The centre was owned by the Sydney Harbour Foreshore Authority, which …