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An astronomical instrument is a device for observing, measuring, or recording astronomical data. [citation needed] 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.
Initially, the names given to minor planets followed the same pattern as the other planets: names from Greek or Roman myths, with a preference for female names. With the discovery in 1898 of the first body found to cross the orbit of Mars, a different choice was deemed appropriate, and 433 Eros was chosen.
the letters kappa-rho with an abbreviation stroke (for Kronos, the Greek equivalent to the Roman god Saturn), with a cross [9] Uranus: U [29] [30] U+26E2 (dec 9954) ⛢ symbol of the recently described element platinum, which was invented to provide a symbol for Uranus [29] [30] [22] [23] [42] U+2645 (dec 9797) ♅
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 ...
The symbols for Jupiter and Saturn are monograms of the initial letters of the corresponding Greek names, and the symbol for Mercury is a stylized caduceus. [3] A.S.D. Maunder finds antecedents of the planetary symbols in earlier sources, used to represent the gods associated with the classical planets.
Hazard symbols; List of mathematical constants (typically letters and compound symbols) Glossary of mathematical symbols; List of physical constants (typically letters and compound symbols) List of common physics notations (typically letters used as variable names in equations) Rod of Asclepius / Caduceus as a symbol of medicine
A FBI document obtained by Wikileaks details the symbols and logos used by pedophiles to identify sexual preferences. According to the document members of pedophilic organizations use of ...
This is a list of musical instruments, including percussion, wind, stringed, and electronic instruments. Percussion instruments (idiophones, membranophones, struck chordophones, blown percussion instruments)