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An astronomical instrument is a device for observing, measuring or recording astronomical data.They are used in the scientific field of astronomy, a natural science that studies celestial objects and the phenomena that occur in the cosmos, with the object of explaining their origin and evolution over time.
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Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...
This is a list of musical instruments, including percussion, wind, stringed, and electronic instruments. Percussion instruments (idiophones, membranophones, struck chordophones, blown percussion instruments)
This list contains musical instruments of symbolic or cultural importance within a nation, state, ethnicity, tribe or other group of people. In some cases, national instruments remain in wide use within the nation (such as the Puerto Rican cuatro ), but in others, their importance is primarily symbolic (such as the Welsh triple harp).
Instruments commonly part of the percussion section of a band or orchestra. These three groups overlap heavily, but inclusion in any one is sufficient for an instrument to be included in this list. However, when only a specific subtype of the instrument qualifies as a percussion instrument, only that subtype is listed here.
Name: Lifespan: Country of work : Giuseppe Campani: 1635–1715 Italy: Matteo Campani-Alimenis: 17th century Italy: Robert-Aglaé Cauchoix: 1776–1845 France: Henri Chrétien: 1879–1956 France Alvan Clark: 1804–1887 US Alvan Graham Clark: 1832–1897 US George Bassett Clark: 1827–1891 US Thomas Cooke: 1807–1868 England Robert E. Cox ...
Pluto's name and symbol were announced by the discoverers on May 1, 1930. [92] The symbol, a monogram of the letters PL, could be interpreted to stand for Pluto or for Percival Lowell, the astronomer who initiated Lowell Observatory's search for a planet beyond the orbit of Neptune.