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A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1] Some vertical service codes require dialing of a telephone number after the code sequence. On a touch tone telephone, the codes are usually initiated with ...
The modern classification system is known as the Morgan–Keenan (MK) classification. Each star is assigned a spectral class (from the older Harvard spectral classification, which did not include luminosity [ 1 ]) and a luminosity class using Roman numerals as explained below, forming the star's spectral type. Other modern stellar ...
In 2016, the International Astronomical Union (IAU) organized a Working Group on Star Names (WGSN) [2] to catalog and standardize proper names for stars. The WGSN's first bulletin, dated July 2016, [3] included a table of 125 stars comprising the first two batches of names approved by the WGSN (on 30 June and 20 July 2016) together with names of stars adopted by the IAU Executive Committee ...
star operator ⋆: U+22C6 APL functional symbol circle star ⍟ U+235F APL functional symbol star diaeresis ⍣ U+2363 black star ★ U+2605 white star ☆ U+2606 star and crescent: ☪: U+262A outlined white star ⚝ U+269D pentagram ⛤ U+26E4 right-handed interlaced pentagram ⛥ U+26E5 left-handed interlaced pentagram ⛦ U+26E6 inverted ...
Last-call return, automatic recall, or (on PBX and centrex service) camp-on, is a telecommunication feature offered by telephony service providers to subscribers to provide the subscriber with the telephone number, and sometimes the time, of the last caller. The service may also offer the facility to place a call to the calling party.
Replacement banknote. A $100 "star note". The asterisk, or "star" following the serial number indicates this is a replacement note for one that was misprinted or damaged in the printing process. A replacement banknote, commonly referred to as a star note, is a banknote that is printed to replace a faulty one and is used as a control mechanism ...
Lewis is the Founder of Beatrice Advisors, an independent, woman- and minority-owned multi-family office, that she launched in June 2024. [7] It is the first business of its kind owned by a Black woman. In 2020, Christina founded Giving Gap (formerly Give Blck) a nationally-recognized platform that has channeled millions of dollars to Black ...
Astronomical symbols are abstract pictorial symbols used to represent astronomical objects, theoretical constructs and observational events in European astronomy. The earliest forms of these symbols appear in Greek papyrus texts of late antiquity. The Byzantine codices in which many Greek papyrus texts were preserved continued and extended the ...