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List of adjectivals and demonyms of astronomical bodies

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The adjectival forms of the names of astronomical bodies are not always easily predictable. Attested adjectival forms of the larger bodies are listed below, along with the two small Martian moons; in some cases they are accompanied by their demonymic equivalents, which denote hypothetical inhabitants of these bodies.

For Classical (Greco-Roman) names, the adjectival and demonym forms normally derive from the oblique stem, which may differ from the nominative form used in English for the noun form. For instance, for a large portion of names ending in -s, the oblique stem and therefore the English adjective changes the -s to a -d, -t, or -r, as in Mars–Martian, Pallas–Palladian and Ceres–Cererian;This is reflected in Russian Паллада Pallada 'Pallas' and Церера Tserera 'Ceres', as well as in Italian Pallade 'Pallas' and Cerere 'Ceres', as in these (and several other) languages the nominal forms of the names often also reflect the oblique. This is not always the case, however – for Mars, Italian Marte parallels the English adjective but Russian Марс Mars parallels the English noun. occasionally an -n has been lost historically from the nominative form, and reappears in the oblique and therefore in the English adjective, as in Pluto–Plutonian and Atlas–Atlantean.

Many of the more recent or more obscure names are only attested in mythological or literary contexts, rather than in specifically astronomical contexts. Forms ending in -ish or -ine, such as "Puckish", are not included below if a derivation in -an is also attested. Rare forms, or forms only attested with spellings not in keeping with the IAU-approved spelling (such as c for k), are shown in italics.

;Note on pronunciation The suffix -ian is always unstressed: that is, . The related ending -ean, from an e in the root plus a suffix -an, has traditionally been stressed (that is, ) if the e is long ē in Latin (or is from ē in Greek); but if the e is short in Latin, the suffix is pronounced the same as -ian. In practice forms ending in -ean may be pronounced as if they were spelled -ian even if the e is long in Latin. This dichotomy should be familiar from the dual pronunciations of Caribbean as and .

Generic bodies

NameAdjectiveDemonym
asteroidasteroidal, asteroidicAsterite
cometcometary
cosmos, universecosmic, cosmian, universal
eclipticecliptical, zodiacal
galaxygalactic, galactian
meteoroidmeteoroidal
nebulanebular
planetplanetary, planetic
planetoidplanetoidal
quasarquasaric, quasarian
skycelestial
starastral, sidereal, siderean, stellar
supernovasupernovan

Constellations

Derivative forms of constellations are used primarily for meteor showers. The genitive forms of the constellations are used to name stars. (See List of constellations.) Other adjectival forms are less common.

NameAdjectiveDerivative
AndromedaAndromedanAndromedid
AquariusAquarianAquariid
AriesArianArietid
AurigaAurigalAurigid
BoötesBootid
CancerCancerianCancrid
CarinaCarinalCarinid
CapricornCapricornianCapricornid
CentaurusCentaurean, CentaurianCentaurid
CetusCetid
Coma BerenicesComalComa Berenicid
Corona AustrinaCoronalCorona Austrinid
CruxCrucialCrucid
CygnusCygneanCygnid
DoradoDoradid
DracoDraconicDraconid
EridanusEridanid
GeminiGeminianGeminid
Hydra, HydrusHydrid
LeoLeonic, Leonian, LeoneanLeonid
Leo MinorLeo Minorid
LibraLibranLibrid
LyraLyrid
MonocerosMonocerotid
NormaNormid
OphiuchusOphiuchid
OrionOrionid
PavoPavonid
PegasusPegasean, PegasarianPegasid
PerseusPerseid
PhoenixPhoeniceanPhoenicid
PiscesPiscean, PiscianPiscid
Piscis AustrinusPiscis Austrinid
PuppisPuppid
SagittariusSagittarianSagittariid
ScorpiusScorpian, ScorpionicScorpiid
TaurusTaurean, TaurianTaurid
Ursa Major, Ursa MinorUrsalUrsid
VelaVelar, VelicVelid
VirgoVirginal, VirginianVirginid
zodiaczodiacal

Sun

NameAdjectiveDemonym
Sun, Sol, HeliosSolar, Heliacal, Phoebean, PhebeanSolarian

Planets

NameAdjectiveDemonym
Cererian, CerereanCererian
Earth, Terra, Tellus, Gaia, Gaeaearthly, Terran, Terrestrial, Terrene, Tellurian, Telluric, Gaian, GaeanEarthling, Terran, Terrestrial, Tellurian, Earthian, Earther, Earthican
Eridian
Haumean
JupiterJovian, Jupiterian, ZeusianJovian
Makemakean
MarsMartian, Martial, AreanMartian
Mercury;
Hermes (in the evening),
Apollo (in the morning)Mercurian, Mercurial, Hermean/Hermeian, Cyllenian, CylleneanMercurian, Hermean
Neptuneurl = http://solarsystem.nasa.gov/multimedia/downloads/Small_RPS_Report.pdftitle = Enabling Exploration with Small Radioisotope Power Systemsdate = September 2004access-date = 26 January 2016publisher = NASAarchive-url = https://web.archive.org/web/20161222125722/http://solarsystem.nasa.gov/multimedia/downloads/Small_RPS_Report.pdfarchive-date = 22 December 2016url-status = dead}}Neptunian
Orcean, Orcan
PallasPalladian
PlutoPlutonic, PlutonianPlutonian
SaturnSaturnian, Saturnine, Cronian, Kronian, SaturnialSaturnian
Sednian
UranusUranian, CaelianUranian
VestaVestian, Vestan, VestalianVestan, Vestian
Venus;
Hesperus, Vesper (in the evening),
Eosphorus, Phosphorus, Phosphor (in the morning),
Lucifer (in the day)Venerian, Venusian, Cytherean, Cytherian, Hesperian, Luciferian, Phosphorian, AphroditanVenusian, Cytherean

Moons

NameAdjectiveDemonym
Moon (Luna, Selene)Lunar, Selenian, CynthianLunarian, Selenite
DeimosDeimian
PhobosPhobian
NameAdjective, demonym
CallistoCallistoan, Callistonian
EuropaEuropan
GanymedeGanymedean, Ganymedian
IoIonian
NameAdjective, demonym
DioneDionean
Enceladusurl=http://saturn.jpl.nasa.gov/photos/imagedetails/index.cfm?imageId=3859title=JPL (2010) Cassini Equinox Mission: Enceladan Tectonicsaccess-date=2010-05-26archive-url=https://web.archive.org/web/20160304111607/http://saturn.jpl.nasa.gov/photos/imagedetails/index.cfm?imageId=3859archive-date=2016-03-04url-status=dead }}
HyperionHyperionian
IapetusIapetian, Japetian
Mimasurl=http://saturn.jpl.nasa.gov/science/moons/mimas/title=JPL (ca. 2009) Cassini Equinox Mission: Mimasaccess-date=2010-05-26archive-url=https://web.archive.org/web/20150905123839/http://saturn.jpl.nasa.gov/science/moons/mimas/archive-date=2015-09-05url-status=dead }} Mimantian
RheaRhean
TethysTethyan
TitanTitanian , Titanean
NameAdjective, demonym
ArielArielian
MirandaMirandan, Mirandian
OberonOberonian
TitaniaTitanian
UmbrielUmbrielian
NameAdjective, demonym
TritonTritonian
CharonCharonian
DysnomiaDysnomian

Galaxies

NameAdjective
Milky Way GalaxyGalactic, Lacteal
Andromeda GalaxyAndromedan
Magellanic CloudsMagellanic

Notes

References

References

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  2. Booth (1923) ''Flowers of Roman poesy''
  3. "Definition of tellurian".
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  5. E.g. Giovanni Vulpetti (2013) ''Fast Solar Sailing'', p. 333.
  6. (2016-04-25). "Discovery of a Makemakean Moon". The Astrophysical Journal.
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  13. (1990). "Intermediate (20-100 KM ) Sized Volcanic Edifices on Venus". Lunar and Planetary Institute.
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  15. Tsiolkovsky (1960) ''The call of the cosmos''
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  17. ''Origin and evolution of Earth'', National Research Council ''et al.'', 2008
  18. Raitala (1993) "Crustal tectonic zone on Venus", ''Earth, Moon, and Planets'', v. 64, no. 2
  19. "A theoretical study of the martian and cytherian ionospheres", NASA Technical Reports Server, JPL-TR-32-398
  20. Goodsell Observatory (1909) ''Popular astronomy'', v. 17
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  25. ''The Century Dictionary and Cyclopedia'' (1911)
  26. Harland (2000) ''Jupiter odyssey: the story of NASA's Galileo mission''
  27. ''[[Monthly Notices of the Royal Astronomical Society]],'' v.71, 1911
  28. Greenberg (2005) ''Europa: the ocean moon''
  29. ''Journal of Geophysical Research,'' v. 95 (1990)
  30. "Electron Beams and Ion Composition Measured at Io and in Its Torus", ''Science'', 1996 October 18
  31. Anthon (1849) ''The Aeneïd of Virgil''
  32. "JPL (2007) ''Cassini Equinox Mission: Dionean Linea''".
  33. ''JBIS: journal of the British Interplanetary Society,'' v. 36 (1983)
  34. EnceladanLebowitz (1970) ''Progress into silence: a study of Melville's heroes''
  35. "JPL (2010) ''Cassini Equinox Mission: Enceladan Tectonics''".
  36. "JPL (ca. 2008) ''Cassini Equinox Mission: Hyperion''".
  37. "JPL (ca. 2008) ''Cassini Equinox Mission: Iapetus''".
  38. "JPL (ca. 2009) ''Cassini Equinox Mission: Mimas''".
  39. Harrison (1908) ''Prolegomena to the study of Greek religion'', ed. 2
  40. ''The Westminster review,'' v. 140 (1893)
  41. "JPL (ca. 2008) ''Cassini Equinox Mission: Rhea''".
  42. Şengör & Atayman (2009) ''The Permian extinction and the Tethys''
  43. "Cassini Solstice Mission: Tethys".
  44. "Cassini Equinox Mission: Huygens Landed with a Splat".
  45. Milton, Hughes (2003) ''Complete poems and major prose''
  46. DeKoven (1991) ''Rich and strange: gender, history, modernism''
  47. ''Journal of Geophysical Research,'' v. 93 (1988)
  48. Robertson (1929) ''The life of Miranda''
  49. Normand (1970) ''Nathaniel Hawthorne''
  50. James Hall III (2015) ''Moons of the Solar System'', p. 150
  51. Bunbury (1883) ''A history of ancient geography''
  52. Kathryn Bosher (2012) ''Theater outside Athens: Drama in Greek Sicily and South Italy'', pp 100, 104–105
  53. When capitalized, "Galactic" refers specifically to the Milky Way galaxy.
  54. ''The Independent,'' v. 55, p. 964 (1903)
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