Mercury 4 (other)
Mercury 4 or variants may refer to: * Mercury 4, a spacecraft of Project Mercury * Mercury4, an Australian boy band 2002–2004 * Mercury(IV), an unknown compound of the element Mercury * Mercury IV, a 1929 version of the Bristol Mercury aircraft engine See also * Mercury (other) *Mercury-Redstone 4, the second U.S. human spaceflight, 1961 *Mercury-Atlas 4 Mercury-Atlas 4 was an uncrewed spaceflight of the Mercury program. It was launched on September 13, 1961, at 14:09 UTC from Launch Complex 14 at Cape Canaveral, Florida. A Crewman Simulator instrument package was aboard. The craft orbited the E ...

Project Mercury
Project Mercury was the first human spaceflight program of the United States, running from 1958 through 1963. An early highlight of the Space Race, its goal was to put a man into Earth orbit and return him safely, ideally before the Soviet Union. Taken over from the US Air Force by the newly created civilian space agency NASA, it conducted 20 uncrewed developmental flights (some using animals), and six successful flights by astronauts. The program, which took its name from Roman mythology, cost $ (adjusted for inflation). The astronauts were collectively known as the "Mercury Seven", and each spacecraft was given a name ending with a "7" by its pilot. The Space Race began with the 1957 launch of the Soviet satellite Sputnik 1. This came as a shock to the American public, and led to the creation of NASA to expedite existing US space exploration efforts, and place most of them under civilian control. After the successful launch of the Explorer 1 satellite in 1958, crewed spacef ...
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Mercury4
Mercury4 were an Australian boy band vocal quartet formed in 2002 with Rien Low, Brad Johnston, Javier Perez and Cole Rintoul. In early 2004 Perez was replaced by Kevin Layton. They issued a self-titled studio album, '' Mercury4'' (May 2004) which reached the ARIA Albums Chart top 40. Their highest-charting single, " Get Me Some" (June 2003) had peaked at No. 5 on the related ARIA Singles Chart. It was followed by " 5 Years from Now" (January 2004), which reached the top 20 and their cover version of Bobby Brown's "Every Little Step" (May 2004) peaked in the top 30. However, the group disbanded by late 2004. History Mercury4 started in 2000 with Rien Low and Brad Johnston meeting and deciding to work together. Cole Rintoul joined in 2001 with Javier Perez joining in 2002. The band signed with BMG in late 2002 after a showcase gig at the Mercury Lounge, hence the name Mercury4. BMG recruited hit production team the Matrix who had produced hits for Avril L ...
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Mercury (element)
Mercury is a chemical element with the symbol Hg and atomic number 80. It is also known as quicksilver and was formerly named hydrargyrum ( ) from the Greek words, ''hydor'' (water) and ''argyros'' (silver). A heavy, silvery d-block A block of the periodic table is a set of elements unified by the atomic orbitals their valence electrons or vacancies lie in. The term appears to have been first used by Charles Janet. Each block is named after its characteristic orbital: s-blo ... element, mercury is the only metallic element that is known to be liquid at standard temperature and pressure; the only other element that is liquid under these conditions is the halogen bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature. Mercury occurs in deposits throughout the world mostly as cinnabar (mercuric sulfide). The red pigment vermilion is obtained by Mill (grinding), grinding natural cinnabar or synthetic mercuric sulfide. Mercury is used in ...
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Bristol Mercury
The Bristol Mercury is a British nine-cylinder, air-cooled, single-row, piston radial engine. Designed by Roy Fedden of the Bristol Aeroplane Company it was used to power both civil and military aircraft of the 1930s and 1940s. Developed from the earlier Jupiter engine, later variants could produce 800 horsepower (600 kW) from its capacity of 1,500 cubic inches (25 L) by use of a geared supercharger. Almost 21,000 engines were produced, with a number also being built under license elsewhere in Europe. Several examples remain airworthy, with other preserved examples on public display in aviation museums. Design and development The Mercury was developed by the Bristol Aeroplane Company in 1925 as their Bristol Jupiter was reaching the end of its lifespan. Although the Mercury initially failed to attract much interest, the Air Ministry eventually funded three prototypes and it became another winner for the designer Roy Fedden. With the widespread introduction of superchar ...
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Mercury (other)
Mercury commonly refers to: * Mercury (planet), the nearest planet to the Sun * Mercury (element), a metallic chemical element with the symbol Hg * Mercury (mythology), a Roman god Mercury or The Mercury may also refer to: Companies * Mercury (toy manufacturer), a brand of diecast toy cars manufactured in Italy * Mercury Communications, a British telecommunications firm set up in the 1980s * Mercury Drug, a Philippine pharmacy chain * Mercury Energy, an electricity generation and retail company in New Zealand * Mercury Filmworks, a Canadian independent animation studio * Mercury General, a multiple-line American insurance organization * Mercury Interactive, a software testing tools vendor * Mercury Marine, a manufacturer of marine engines, particularly outboard motors * Mercury Systems, a defense-related information technology company Computing * Mercury (programming language), a functional logic programming language * Mercury (metadata search system), a data search system f ...
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Mercury-Redstone 4
Mercury-Redstone 4 was the second United States human spaceflight, on July 21, 1961. The suborbital Project Mercury flight was launched with a Mercury-Redstone Launch Vehicle, MRLV-8. The spacecraft, Mercury capsule #11, was nicknamed the ''Liberty Bell 7''. It was piloted by astronaut Virgil "Gus" Grissom. The spaceflight lasted 15 minutes 30 seconds, reached an altitude of more than , and flew downrange, landing in the Atlantic Ocean. The flight went as expected until just after splashdown, when the hatch cover, designed to release explosively in the event of an emergency, accidentally blew. Grissom was at risk of drowning, but was recovered safely via a U.S. Navy helicopter. The spacecraft sank into the Atlantic and was not recovered until 1999. Mission parameters * Mass: 1 286 kg * Maximum altitude: 190.39 km * Range: 486.15 km * Launch vehicle: Redstone rocket Spacecraft The MR-4 spacecraft, Mercury capsule #11, was designated to fly the second crewe ...
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