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The IAU nomenclature standards have stated that features on Phoebe are to be named after characters in the Greek myth of Jason and the Argonauts.
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IAU and nomenclature
# Ring and ring-gap nomenclature and names for newly discovered satellites are developed in joint deliberation between WGPSN and IAU Commission 20.
Originally, it was to be called Peaseblossom after a fairy in Shakespeare's A Midsummer Night's Dream, but due to a nomenclature conflict between the USA and the USSR the name Bianca was quietly chosen by the IAU a few years after the moon's discovery.
These works were adopted by the IAU and became the recognized sources for lunar nomenclature.
The Martian nomenclature was clarified in 1958, when a committee of the IAU recommended for adoption the names of 128 albedo features ( bright, dark, or colored ) observed through ground-based telescopes ( IAU, 1960 ).
* IAU specifications for nomenclature
In contemporary sources it was called " Crater 308 " ( this was a temporary IAU designation that preceded the establishment of far-side lunar nomenclature ).
The first standard nomenclature for Martian albedo features was introduced by the International Astronomical Union ( IAU ) when they adopted 128 names from the 1929 map of Antoniadi named La Planète Mars.
" The crater was named in 1973, based on Mariner 9 images, by an IAU nomenclature committee chaired by Carl Sagan.
Before the IAU assumed responsibility for astronomical nomenclature, only twenty-five satellites had been given names that were in wide use and are still used.
In its 2006 response, the International Astronomical Union ( IAU ), recognised by astronomers as the world body responsible for resolving issues of nomenclature, released its decision on the matter.
The standard IAU nomenclature uses the names of people to identify wrinkle ridges on the Moon.
* BF2 IAU Minor Planet Center nomenclature for small solar system bodies
Riccioli's naming scheme was formally established as the doctrinal lunar nomenclature by a vote of the IAU in 1935, which gave standard names to 600 lunar features.
IAU and standards
The naming of astronomical bodies is controlled by the International Astronomical Union ( IAU ), which normally names features on planetary surfaces after people, and then lays down strict standards for this naming – craters on Mercury, for example, are named after " famous deceased artists, musicians, painters and authors ".
IAU and have
Two impact craters on Olympus Mons have been assigned provisional names by the IAU.
Named features on bodies so small that coordinates have not yet been determined are identified on drawings of the body that are included in the IAU Transactions volume of the year when the names were adopted.
Five tiny craters in the northeastern part of Alphonsus ' interior floor have been assigned names by the IAU.
The IAU cautions consumers that products and services marketed by ISR and other companies have no formal or official validity whatsoever.
The IAU has called the ISR's star-naming business " charlatanry " and their products and marketing have been criticised for " seem official.
According to the IAU, apart from a limited number of bright stars with historic names, stars do not have proper names.
Ultrarunning has become popular in Asia recently, and countries such as Taiwan, Japan, and Korea have hosted IAU World Championships in the last few years.
Larger planetary-mass objects which were not ejected, but have always been free-floating, are thought to have formed in a similar way to stars, and the IAU has proposed that those objects be called sub-brown dwarfs ( an example of this is Cha 110913-773444, which may be an ejected rogue planet, or it may have formed on its own and be a sub-brown dwarf ).
The eventual definition adopted by the IAU added an additional requirement, that a body must have cleared its neighborhood of all other sizable objects, language that Gingerich was “ not at all pleased ” with.
The current IAU practice is to name moons after characters from Shakespeare's plays and The Rape of the Lock ( although at present only Ariel, Umbriel, and Belinda have names drawn from the latter poem ; all the rest are from Shakespeare ).
Alan Stern objects that " it is impossible and contrived to put a dividing line between dwarf planets and planets ," and that since neither Earth, Mars, Jupiter, nor Neptune have entirely cleared their regions of debris, none could properly be considered planets under the IAU definition.
Three tiny craters in the vicinity of this feature have been assigned names by the IAU.
Several tiny craters near this rille have been assigned names by the IAU.
Two tiny craters to the west of this site have been assigned names by the IAU.
Near the southern rim of this formation, at the northern edge of the Lacus Solitudinus, are four tiny craters that have been assigned individual names by the IAU.
Dubyago has an unusual number of satellite craters, several of which have since been given names by the IAU.
Several satellite craters in the vicinity have since been given names by the IAU.
The following craters have been renamed by the IAU:
Four small craters near this rille have been assigned names by the IAU.
Several small craters located in the rugged terrain at the northern edge of this crater have been assigned names by the IAU.
A pair of tiny craters just to the south of Mons Esam have been assigned names by the IAU.
Several tiny craters near this mountain have been assigned names by the IAU.
IAU and features
When images are first obtained of the surface of a planet or satellite, a theme for naming features is chosen and a few important features are named, usually by members of the appropriate IAU task group ( a commonly accepted planet-naming group ).
The term, which means " ditch " or " trench " in Latin, is not a geological term as such but a descriptor term used by the United States Geological Survey ( USGS ) and the International Astronomical Union ( IAU ) for topographic features whose geology or geomorphology is uncertain due to lack of data or knowledge of the exact processes that formed them.
( The designations Homer for Stark Y and Sappho for Stark V were suggested for these features, but the IAU rejected these names.
The process of naming lunar features was formerly assumed by the International Astronomical Union ( IAU ) in 1919.
IAU and on
The best current ( 2009 ) estimate of the International Astronomical Union ( IAU ) for the value of the astronomical unit in meters is A = m, based on a comparison of JPL and IAA – RAS ephemerides.
An IAU interpretation would recognise Crux ( the Southern Cross ) above the emu's head and Scorpius on the left.
* Strasbourg Astronomical Data Center Files on official IAU constellation boundaries
After it was shown that at least one such body was larger than Pluto, on August 24, 2006 the International Astronomical Union ( IAU ) reclassified Pluto, grouping it with two similarly sized " dwarf planets " rather than with the eight " classical planets ".
The discovery was announced in IAU Circular 5725 on March 27, 1993.
* IAU FAQ on " Naming Stars "
TT was formally defined in terms of Geocentric Coordinate Time ( TCG ), defined by the IAU on the same occasion.
" Report of the IAU WGAS Sub-group on Numerical Standards ".
The International Astronomical Union ( IAU ) defines the north pole as that which lies on the north side of the invariable plane of the Solar System ; under this system Venus ' tilt is 3 °, it rotates retrograde, and the right hand rule does not apply.
In 1988, the International Astronomical Union's Working Group for Planetary System Nomenclature ( IAU / WGPSN ) officially adopted the name Inuvik for a crater on Mars, at 78. 7 ° north latitude and 28. 6 ° west longitude.
* United States Naval Observatory Circular 179: The IAU Resolutions on Astronomical Reference Systems, Time Scales, and Earth Rotation Models Explanation and Implementation
* Bracewell, Ronald N., ed., Paris Symposium on Radio Astronomy, IAU Symposium no.
In 1976, the International Astronomical Union's Working Group for Planetary System Nomenclature ( IAU / WGPSN ) officially adopted the name Banff for a crater on Mars, after the town in Alberta.
For example, the Sun enters the IAU boundary of Aries on April 19 at the lower right corner, a position that is still rather closer to the " body " of Pisces than of Aries.
On February 2, 2004 the astronauts on Space Shuttle Columbia's final mission were further memorialized when NASA named a set of hills to the east of the landing site the Columbia Hills Complex, denoting seven peaks in that area as " Anderson ", " Brown ", " Chawla ", " Clark ", " Husband ", " McCool ", and " Ramon "; NASA has submitted these geographical feature names to the IAU for approval.
Of the latter constellations, only Camelopardalis and Monoceros are still found on modern star charts, and recognized by the IAU.
On March 23, 2009, Brown asked readers of his weekly column to suggest possible names for the satellite, with the best one to be submitted to the International Astronomical Union ( IAU ) on April 5.
He developed the ephemeris time scale, which had been adopted by the IAU in 1952 on a proposal formulated by Clemence in 1948, as an international time standard.
He served as President of the IAU commission on time from 1955 to 1961, and was active in the International Union of Geodesy and Geophysics, the American Geophysical Union, and the International Consultative Committee for the Definition of the Second.
In 1930, the boundaries of these constellations were fixed by Eugène Joseph Delporte and adopted by the IAU, so that now every point on the celestial sphere belongs to a particular constellation.
* IAU on Naming Astronomical Objects
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