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==Core articles==
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==Articles==
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==High priority articles==

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==Main subject areas==

[[Astronomy]] | [[Astrology]] | [[Astrophysics]] | [[Cosmology]] | [[History of Astronomy]]

===Sub-disciplines===

[[Archaeoastronomy]] | [[Astrometry]] | [[Gamma ray astronomy]] | [[Infrared astronomy]] | [[Radio Astronomy]] | [[Ultraviolet astronomy]] | [[X-ray astronomy]]


==Astronomical objects and concepts==
===Constellations, Star Groups and Galaxies===
[[Constellation]] | [[Galaxy]] | [[Nebula]] 

* IAU Constellations: [[Andromeda (constellation)|Andromeda]] | [[Antlia]] | [[Apus (constellation)|Apus]] | [[Aquarius (constellation)|Aquarius]] | [[Aquila (constellation)|Aquila]] | [[Ara (constellation)|Ara]] | [[Aries (constellation)|Aries]] | [[Auriga (constellation)|Auriga]] | [[Boötes]] | [[Caelum]] | [[Camelopardalis]] | [[Cancer (constellation)|Cancer]] | [[Canes Venatici]] | [[Canis Major]] | [[Canis Minor]] | [[Capricornus]] | [[Carina (constellation)|Carina]] | [[Cassiopeia (constellation)|Cassiopeia]] | [[Centaurus (constellation)|Centaurus]] | [[Cepheus (constellation)|Cepheus]] | [[Cetus (constellation)|Cetus]] | [[Chamaeleon (constellation)|Chamaeleon]] | [[Circinus]] | [[Columba (constellation)|Columba]] | [[Coma Berenices]] | [[Corona Australis]] | [[Corona Borealis]] | [[Corvus (constellation)|Corvus]] | [[Crater (constellation)|Crater]] | [[Crux (constellation)|Crux]] | [[Cygnus (constellation)|Cygnus]] | [[Delphinus (constellation)|Delphinus]] | [[Dorado (constellation)|Dorado]] | [[Draco (constellation)|Draco]] | [[Equuleus]] | [[Eridanus (constellation)|Eridanus]] | [[Fornax]] | [[Gemini (constellation)|Gemini]] | [[Grus (constellation)|Grus]] | [[Hercules (constellation)|Hercules]] | [[Horologium]] | [[Hydra (constellation)|Hydra]] | [[Hydrus]] | [[Indus (constellation)|Indus]] | [[Lacerta (constellation)|Lacerta]] | [[Leo (constellation)|Leo]] | [[Leo Minor]] | [[Lepus (constellation)|Lepus]] | [[Libra (constellation)|Libra]] | [[Lupus (constellation)|Lupus]] | [[Lynx (constellation)|Lynx]] | [[Lyra (constellation)|Lyra]] | [[Mensa (constellation)|Mensa]] | [[Microscopium]] | [[Monoceros]] | [[Musca (constellation)|Musca]] | [[Norma]] | [[Octans]] | [[Ophiuchus]] | [[Orion (constellation)|Orion]] | [[Pavo (constellation)|Pavo]] | [[Pegasus (constellation)|Pegasus]] | [[Perseus (constellation)|Perseus]] | [[Phoenix (constellation)|Phoenix]] | [[Pictor]] | [[Pisces (constellation)|Pisces]] | [[Piscis Austrinus]] | [[Puppis]] | [[Pyxis (constellation)|Pyxis]] | [[Reticulum (constellation)|Reticulum]] | [[Sagitta]] | [[Sagittarius (constellation)|Sagittarius]] | [[Scorpius (constellation)|Scorpius]] | [[Sculptor (constellation)|Sculptor]] | [[Scutum (constellation)|Scutum]] | [[Serpens]] | [[Sextans (constellation)|Sextans]] | [[Taurus (constellation)|Taurus]] | [[Telescopium]] | [[Triangulum (constellation)|Triangulum]] | [[Triangulum Australe]] | [[Tucana (constellation)|Tucana]] | [[Ursa Major]] | [[Ursa Minor]] | [[Vela (constellation)|Vela]] | [[Virgo (constellation)|Virgo]] | [[Volans]] | [[Vulpecula]]

* Other Star Groups: [[Pleiades]] | [[Great Square]]

* Nebulae and Galaxies: [[Andromeda Galaxy]] | [[Crab Nebula]] | [[Magellanic Clouds]] | [[Milky Way]] | [[Orion nebula]]

===Solar system===
[[Solar system]]

* Typology: [[Asteroid]] | [[Comet]] | [[Dwarf Planet]] | [[Meteor]] | [[Planet]] |
* Planets: [[Mercury (planet)|Mercury]] | [[Venus]] | [[Mars]] | [[Jupiter]] | [[Saturn]] | [[Uranus]] | [[Neptune]] 
* Dwarf Planets: [[Ceres]] | [[Pluto]] | [[Eris]]
* Satellites: [[Moon]] | [[Galilean satellites]]
* Comets: [[Halley's comet]] | [[Hale-Bopp]]


===Position Astronomy===
[[Celestial coordinates]] | [[Poles]] | [[Polar Circles]] |  [[Proper motion]] | [[Tropic]]  


===Astrophysical Objects & Concepts===
* Sun: [[Solar wind]] | [[Sun]] | [[Sunspots]]
* Stars: [[Binary star]] | [[Black Hole]] | [[Cepheid variable]] | [[Flare star]] | [[Hertzsprung-Russell diagram|HR Diagram]] |  [[Neutron star]]  | [[Nova]] | [[Pulsar]] | [[Star]] | [[Star formation]] | [[Stellar evolution]] | [[Supernova]] | [[Variable star]] | [[White dwarf]]
* Inter- and set of stars: [[Globular cluster]] | [[H I region]] | [[H II region]] | [[Interstellar matter]] | [[Open cluster]] | [[Planetary nebula]] | [[Quasar]] | [[Stellar populations]]


===Mechanical Concepts===
[[Celestial mechanics]] | [[Kepler's laws]] | [[Precession]] | [[Tides]]


===Cosmology===
[[Big Bang]] | [[Cosmic microwave background]] | [[Cosmic rays]] | [[Dark matter]] | [[Hubble constant]] | [[Olber's paradox]] | [[Universe]] 


==People and Works==
===Biography===

[[Walter Baade]] | [[Friedrich Bessell]] | [[Tycho Brahe]] | [[Annie Jump Cannon]] | [[Alvan Clark]] | [[Nicholas Copernicus]] | [[Galileo Galilei]] | [[George Ellery Hale]] | [[William Herschel]] | [[Edwin Hubble]] |  [[Jacobus Kapteyn]] | [[Johannes Kepler]] | [[Gerard Kuiper]] | [[Henrietta Leavitt]] | [[Isaac Newton]] | [[Edward C. Pikering]] | [[Ptolemy]] | [[Henry Norris Russell]] | [[Harlow Shapley]]

===Books and publications===

[[Almagest]] | [[De Revolutionibus]] | [[Nuncius Sidereus]] | [[Astronomia Nova]] | [[Principia]] | 
[[Astronomical Journal]] | [[Astrophysical Journal]] | [[Bonner Durchmusterung Catalogue|BD Catalogue]] | [[Henry Draper Catalogue]] | [[New General Catalogue]] | [[Messier Catalogue]]


==Astronomical Instruments and Techniques==
===Instruments===
[[Astrolabe]] | [[Telescope]] 

===Techniques===
[[Photometry]] | [[Stellar parallax]] | [[Spectroscopy]] 

===Space Exploration===
[[Galileo (interplanetary space probe)]] | [[Sputnik]] | [[International Space Station|ISS]] | [[Voyager]]

===Measuring===
* Space: [[Astronomical Unit]] | [[Light year]] | [[Parsec]] 
* Time: [[Calendar]]


==Organizations==

[[American Association of VAriable Star Observers|AAVSO]] | [[Association of Universities for Research in Astronomy|AURA]] | [[International Astronomical Union|IAU]] | [[European Space Agency|ESA]] | [[National Aeronautics and Space Administration|NASA]] | [[Royal Astronomical Society|RAS]] | [[Webb Society]]

===Observatories===
[[Greenwich Observatory]] | [[Harvard College Observatory]] | [[Lick Observatory]] | [[Arecibo Observatory]] | [[Palomar Observatory]] | [[International Space Station]] | [[Hubble Space Telescope]] | [[Cerro Tololo Inter-American Observatory]] | [[Kitt Peak National Observatory]] | [[Mauna Kea Observatory]]