Wikipedia:Vital articles/Level/5/Physical sciences/Astronomy

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Vital articles is a list of subjects for which Wikipedia should have corresponding high-quality articles. It serves as a centralized watchlist to track the status of Wikipedia's most essential articles. This is one of the sub-lists of the fifty thousand article Vital articles/Level 5 and is currently under construction.

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  • Good articles
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The progress bar is auto-updated via category count, and the symbols and article counts are updated daily by User:cewbot. Please read the FAQ before modifying the article list.

Total articles: 892/900

For astronomical instruments, see the Astronomical technology (Level 5) section

Astronomy basics (36 articles)

Observational astronomy (49 articles)

Astronomical objects (302 articles)

Solar System (125 articles)

  1. Solar System (Level 2)
    1. Formation and evolution of the Solar System (Level 4)
      1. Nebular hypothesis (Level 4)
      2. Nice model
    2. Interplanetary medium (Level 4)
      1. Gegenschein
      2. Interplanetary dust cloud
  2. Sun (Level 2)
    1. Solar wind (Level 4)
    2. Solar core
    3. Solar cycle
    4. Photosphere
    5. Chromosphere
    6. Stellar corona
    7. Heliosphere
    8. Solar neutrino
    9. Coronal mass ejection
    10. Solar phenomena
    11. Solar flare
    12. Solar storm
    13. Sunspot
  3. Mercury (Level 3)
    1. Atmosphere of Mercury
    2. Geology of Mercury
  4. Venus (Level 3)
    1. Atmosphere of Venus
    2. Geology of Venus
  5. Earth (Level 1)
    1. Earth's orbit
    2. Earth's shadow
    3. Earthlight (astronomy)
    4. Location of Earth
    5. Future of Earth
  6. Moon (Level 2)
    1. Origin of the Moon
      1. Giant-impact hypothesis
      2. Theia (planet)
    2. Orbit of the Moon
    3. Selenography
      1. Near side of the Moon
      2. Far side of the Moon
      3. Lunar south pole
    4. Geology of the Moon
    5. Internal structure of the Moon
  7. Mars (Level 3)
    1. Atmosphere of Mars
    2. Geology of Mars
      1. Geological history of Mars
      2. Olympus Mons
      3. Martian polar ice caps
    3. Life on Mars
    4. Moons of Mars
      1. Phobos
      2. Deimos
  8. Asteroid belt (Level 4)
    1. Ceres (Level 4)
    2. Vesta
    3. Pallas
    4. Hygiea
  9. Jupiter (Level 3)
    1. Atmosphere of Jupiter
      1. Great Red Spot
    2. Magnetosphere of Jupiter
    3. Rings of Jupiter
    4. Jupiter's North Pole
    5. Moons of Jupiter
      1. Galilean moons
      2. Io (Level 4)
      3. Europa (Level 4)
      4. Ganymede (Level 4)
      5. Callisto (Level 4)
    6. Jupiter trojan
  10. Saturn (Level 3)
    1. Magnetosphere of Saturn
    2. Rings of Saturn
    3. Saturn's hexagon
    4. Moons of Saturn
      1. Dione
      2. Enceladus (Level 4)
      3. Iapetus
      4. Mimas
      5. Rhea
      6. Tethys
      7. Titan (Level 4)
        1. Lakes of Titan
  11. Uranus (Level 3)
    1. Atmosphere of Uranus
      1. Climate of Uranus
    2. Rings of Uranus
    3. Moons of Uranus
      1. Ariel
      2. Miranda
      3. Oberon
      4. Titania
      5. Umbriel
  12. Neptune (Level 3)
    1. Rings of Neptune
    2. Moons of Neptune
      1. Triton (Level 4)
    3. Great Dark Spot
  13. Trans-Neptunian object
  14. Kuiper belt (Level 4)
    1. Pluto (Level 4)
      1. Atmosphere of Pluto
      2. Moons of Pluto
        1. Charon
    2. Haumea
      1. Moons of Haumea
    3. Makemake
    4. Gonggong
    5. 50000 Quaoar
    6. Arrokoth
  15. Scattered disc
    1. Eris (Level 4)
      1. Dysnomia
  16. Oort cloud (Level 4)
    1. Sedna
  17. Planets beyond Neptune
    1. Planet Nine

Notable comets (6 articles)

  1. Halley's Comet (Level 4)
  2. Comet Hyakutake
  3. Comet Hale–Bopp
  4. Comet Shoemaker–Levy 9
  5. 2060 Chiron
  6. Kreutz sungrazer

Notable stars (47 articles)

  1. Achernar
  2. Aldebaran
  3. Algol
  4. Alpha Centauri (Level 4)
    1. Proxima Centauri
  5. Acrux
  6. Altair
  7. Antares
  8. Arcturus (Level 4)
  9. Barnard's Star
  10. Beta Centauri
  11. Beta Pictoris
  12. Betelgeuse (Level 4)
  13. Canopus (Level 4)
  14. Capella (Level 4)
  15. Castor
  16. Crab Pulsar
  17. CW Leonis
  18. Cygnus X-1 (Level 4)
  19. Deneb
  20. Epsilon Canis Majoris
  21. Epsilon Eridani
  22. Eta Carinae
  23. Fomalhaut
  24. Gamma Cassiopeiae
  25. LBV 1806−20
  26. Mimosa
  27. Mira
  28. Polaris (Level 4)
  29. Pi Puppis
  30. Pollux
  31. Procyon (Level 4)
  32. PSR B1937+21
  33. Regulus
  34. Rigel (Level 4)
  35. Scorpius X-1
  36. Sirius (Level 4)
  37. Spica
  38. Stephenson 2-18
  39. Tau Ceti
  40. TRAPPIST-1
  41. TW Hydrae
  42. UY Scuti
  43. Vega (Level 4)
  44. VY Canis Majoris
  45. WISE 0855−0714
  46. Zeta Ophiuchi

Notable exoplanets (11 articles)

  1. 51 Pegasi b
  2. 55 Cancri e
  3. Gliese 581d
  4. HD 189733 b
  5. HD 209458 b
  6. K2-18b
  7. Kepler-22b
  8. Kepler-186f
  9. Kepler-442b
  10. Kepler-452b
  11. Proxima Centauri b

Milky Way (10 articles)

  1. Milky Way (Level 3)
  2. Galactic Center (Level 4)
    1. Sagittarius A
      1. Sagittarius A* (Level 4)
  3. Carina–Sagittarius Arm
  4. Norma Arm
  5. Orion Arm
    1. Gould Belt
  6. Perseus Arm
  7. Scutum–Centaurus Arm

Notable galaxies (37 articles)

  1. Local Group (Level 4)
    1. Andromeda Galaxy (Level 4)
    2. Satellite galaxies of the Milky Way
      1. Magellanic Clouds
      2. Large Magellanic Cloud (Level 4)
      3. Small Magellanic Cloud (Level 4)
      4. Sagittarius Dwarf Spheroidal Galaxy
    3. Triangulum Galaxy (Level 4)
    4. Virgocentric flow
  2. 3C 273 (Level 4)
  3. Antennae Galaxies
  4. Arp 220
  5. BL Lacertae
  6. Cartwheel Galaxy
  7. Centaurus A (Level 4)
  8. Cygnus A
  9. Hoag's Object
  10. IC 1101
  11. Markarian 231
  12. Markarian 421
  13. Markarian 501
  14. Messier 49
  15. Messier 77
  16. Messier 81
  17. Messier 82
  18. Messier 83
  19. Messier 87 (Level 4)
  20. Messier 106
  21. NGC 1275
  22. NGC 4151
  23. NGC 4945
  24. NGC 5548
  25. NGC 6946
  26. Pinwheel Galaxy (Level 4)
  27. Sculptor Galaxy
  28. Sombrero Galaxy
  29. Whirlpool Galaxy (Level 4)

Notable nebulae (21 articles)

  1. Carina Nebula (Level 4)
  2. Cassiopeia A
  3. Cat's Eye Nebula
  4. Coalsack Nebula
  5. Crab Nebula (Level 4)
  6. Cygnus Loop
  7. Dumbbell Nebula
  8. Eagle Nebula (Level 4)
  9. Horsehead Nebula (Level 4)
  10. Lagoon Nebula
  11. NGC 6302
  12. NGC 7027
  13. Omega Nebula
  14. Orion Nebula (Level 4)
  15. Rho Ophiuchi cloud complex
  16. Ring Nebula (Level 4)
  17. Rosette Nebula
  18. Sagittarius B2
  19. Tarantula Nebula
  20. Trifid Nebula
  21. Westerhout 40

Notable star clusters (13 articles)

  1. 47 Tucanae
  2. Beehive Cluster
  3. Brocchi's Cluster
  4. Hyades (Level 4)
  5. Messier 4
  6. Messier 7
  7. Messier 13
  8. Messier 15
  9. Messier 22
  10. Omega Centauri (Level 4)
  11. Pleiades (Level 4)
  12. R136
  13. Trapezium Cluster

Notable galaxy clusters (14 articles)

  1. Virgo Supercluster (Level 4)
    1. Virgo Cluster (Level 4)
  2. Laniakea Supercluster
  3. Centaurus A/M83 Group
  4. Coma Cluster
  5. Fornax Cluster
  6. IC 342/Maffei Group
  7. M81 Group
  8. Perseus Cluster
  9. Great Attractor (Level 4)
  10. Bullet Cluster
  11. Shapley Supercluster
  12. Pisces–Cetus Supercluster Complex
  13. Local Sheet

Notable transient events (6 articles)

  1. Kepler's Supernova
  2. SN 1054
  3. SN 1572
  4. SN 1972E
  5. SN 1987A
  6. GW170817

Notable patches of universe (14 articles)

  1. Local Bubble
    1. Local Interstellar Cloud
    2. G-Cloud
  2. Hubble Deep Field
  3. Hubble Ultra-Deep Field
  4. KBC Void
  5. Zone of Avoidance
  6. Boötes Void
  7. CMB cold spot
  8. Local Void
  9. Giant Void
  10. South Pole Wall
  11. Huge-LQG
  12. BOSS Great Wall

Other notable objects (4 articles)

  1. ʻOumuamua
  2. 2I/Borisov
  3. Magellanic Stream
  4. Dipole repeller

Celestial mechanics (73 articles)

Celestial sphere (122 articles)

General (29 articles)

  1. Celestial sphere (Level 4)
  2. Celestial cartography
  3. Constellation (Level 4)
  4. Asterism (astronomy)
  5. Spherical astronomy
  6. Epoch
  7. Astronomical coordinate systems (Level 4)
    1. Equatorial coordinate system (Level 4)
    2. Equinox
      1. Right ascension
      2. Declination
    3. Galactic coordinate system
  8. Chinese star names
  9. Equinox (Level 4)
    1. March equinox
    2. September equinox
  10. Ecliptic (Level 4)
  11. Horizon (Level 4)
  12. Solstice (Level 4)
    1. Summer solstice
    2. Winter solstice
  13. Hour angle
  14. Position angle
  15. Meridian
  16. Nadir
  17. Zenith
  18. Celestial equator
  19. Tropical year
  20. Zodiac (Level 4)

Asterism (5 articles)

  1. Argo Navis
  2. Big Dipper
  3. Orion's Belt
  4. Quadrans Muralis
  5. Summer Triangle

Constellations (88 articles)

Zodiac (12 articles)

  1. Aquarius
  2. Aries
  3. Cancer
  4. Capricornus
  5. Gemini
  6. Leo
  7. Libra
  8. Pisces
  9. Sagittarius
  10. Scorpius
  11. Taurus
  12. Virgo

Other (76 articles)

  1. Andromeda
  2. Antlia
  3. Apus
  4. Aquila
  5. Ara
  6. Auriga
  7. Boötes
  8. Caelum
  9. Camelopardalis
  10. Canes Venatici
  11. Canis Major (Level 4)
  12. Canis Minor
  13. Carina
  14. Cassiopeia (Level 4)
  15. Centaurus (Level 4)
  16. Cepheus
  17. Cetus
  18. Chamaeleon
  19. Circinus
  20. Columba
  21. Coma Berenices
  22. Corona Australis
  23. Corona Borealis
  24. Corvus
  25. Crater
  26. Crux (Level 4)
  27. Cygnus
  28. Delphinus
  29. Dorado
  30. Draco
  31. Equuleus
  32. Eridanus
  33. Fornax
  34. Grus
  35. Hercules
  36. Horologium
  37. Hydra
  38. Hydrus
  39. Indus
  40. Lacerta
  41. Leo Minor
  42. Lepus
  43. Lupus
  44. Lynx
  45. Lyra
  46. Mensa
  47. Microscopium
  48. Monoceros
  49. Musca
  50. Norma
  51. Octans
  52. Ophiuchus
  53. Orion (Level 4)
  54. Pavo
  55. Pegasus
  56. Perseus
  57. Phoenix
  58. Pictor
  59. Piscis Austrinus
  60. Puppis
  61. Pyxis
  62. Reticulum
  63. Sagitta
  64. Sculptor
  65. Scutum
  66. Serpens
  67. Sextans
  68. Telescopium
  69. Triangulum
  70. Triangulum Australe
  71. Tucana
  72. Ursa Major (Level 4)
  73. Ursa Minor (Level 4)
  74. Vela
  75. Volans
  76. Vulpecula

Planetary science (50 articles)

Stellar astronomy (118 articles)

  1. Star (Level 3)
  2. Variable star (Level 4)
    1. Cataclysmic variable star
      1. Nova (Level 4)
    2. Cepheid variable (Level 4)
      1. Classical Cepheid variable
      2. RR Lyrae variable
      3. Type II Cepheid
    3. Flare star
    4. Luminous blue variable
    5. Mira variable
    6. T Tauri star
    7. Herbig Ae/Be star
    8. Instability strip
  3. Star system (Level 4)
    1. Planetary system (Level 4)
    2. Binary star (Level 4)
      1. Binary pulsar
      2. Common envelope
      3. X-ray binary
      4. Roche lobe
  4. Star cluster (Level 4)
    1. Stellar association
    2. Open cluster
    3. Globular cluster
      1. Blue straggler
    4. Super star cluster
  5. Compact star
    1. White dwarf (Level 4)
      1. Black dwarf
      2. Chandrasekhar limit
    2. Neutron star (Level 4)
      1. Pulsar (Level 4)
      2. X-ray pulsar
      3. Magnetar
      4. Radio-quiet neutron star
    3. Stellar black hole
    4. Exotic star
      1. Quark star
      2. Electroweak star
  6. Intergalactic star
  7. Stellar classification (Level 4)
    1. Main sequence (Level 4)
      1. Red dwarf
    2. Subdwarf
    3. Subgiant
    4. Giant star (Level 4)
      1. Blue giant
      2. Red giant (Level 4)
    5. Carbon star
    6. S-type star
    7. Supergiant (Level 4)
      1. Blue supergiant
      2. Yellow supergiant
      3. Red supergiant
    8. Hypergiant
    9. Wolf–Rayet star (Level 4)
    10. Be star
    11. B[e] star
  8. Stellar evolution (Level 4)
    1. Red-giant branch
    2. Helium flash
    3. Asymptotic giant branch
    4. Horizontal branch
  9. Star formation (Level 4)
    1. Starburst galaxy (Level 4)
    2. Starburst region
    3. Jeans instability
    4. Pre-stellar core
    5. Protostar (Level 4)
    6. Hayashi track
    7. Pre-main-sequence star
    8. Young stellar object
  10. Stellar kinematics (Level 4)
  11. Stellar magnetic field (Level 4)
  12. Stellar nucleosynthesis
    1. Proton–proton chain
    2. CNO cycle
    3. Triple-alpha process
    4. Carbon-burning process
    5. s-process
    6. r-process
  13. Stellar structure (Level 4)
    1. Stellar core
    2. Radiation zone
    3. Convection zone
    4. Stellar atmosphere
  14. Stellar rotation
  15. Stellar mass
    1. Initial mass function
  16. Stellar wind
  17. Metallicity (Level 4)
    1. Chemically peculiar star
  18. Circumstellar disc
    1. Debris disk
    2. Protoplanetary disk
    3. Proplyd
  19. Brown dwarf (Level 4)
    1. Sub-brown dwarf
  20. Hertzsprung–Russell diagram (Level 4)
  21. Double star
  22. Protoplanetary nebula
  23. Planetary nebula (Level 4)
  24. Supernova (Level 3)
    1. Hypernova
    2. Type Ia supernova
    3. Type Ib and Ic supernovae
    4. Type II supernova
    5. Superluminous supernova
    6. Pair-instability supernova
    7. Supernova nucleosynthesis
  25. Gamma-ray burst (Level 4)
    1. Gamma-ray burst emission mechanisms
    2. Gamma-ray burst progenitors
  26. Fast radio burst
  27. Kilonova
  28. Asteroseismology
  29. Mass–luminosity relation

Galactic and extragalactic astronomy (89 articles)

Basics (53 articles)

  1. Galactic astronomy
  2. Extragalactic astronomy
  3. Outer space (Level 3)
  4. Galaxy (Level 3)
    1. Galaxy formation and evolution (Level 4)
  5. Cosmic dust
  6. Black hole (Level 3)
    1. Supermassive black hole (Level 4)
    2. Micro black hole
    3. Kugelblitz
    4. Accretion disk
    5. Event horizon (Level 4)
      1. Schwarzschild radius
  7. Interstellar medium (Level 4)
    1. Interstellar cloud
    2. Interstellar ice
    3. Nebula (Level 4)
    4. Dark nebula (Level 4)
      1. Bok globule
    5. Reflection nebula
    6. Emission nebula
    7. Molecular cloud (Level 4)
    8. Superbubble
    9. H I region
    10. H II region (Level 4)
  8. High-velocity cloud
  9. Cosmic ray (Level 4)
    1. Ultra-high-energy cosmic ray
  10. Galactic plane
    1. Thin disk
    2. Thick disk
  11. Galactic bulge
  12. Galaxy rotation curve
  13. Galactic halo
    1. Dark matter halo
  14. Interacting galaxy
    1. Galaxy merger
      1. Andromeda–Milky Way collision
    2. Galactic tide
  15. Satellite galaxy
  16. Galaxy groups and clusters (Level 4)
    1. Galaxy cluster
    2. Galaxy group
    3. Supercluster (Level 4)
  17. Gravitational lens
    1. Strong gravitational lensing
    2. Weak gravitational lensing
  18. Intergalactic dust
    1. Intracluster medium
  19. Warm–hot intergalactic medium
  20. Field galaxy
  21. Dark flow
  22. Wormhole

Large-scale structures (2 articles)

  1. Large-scale structure of the Universe [Wikidata]
  2. Galaxy filament
  3. Void (Level 4)

Galaxy classification (24 articles)

  1. Galaxy morphological classification (Level 4)
  2. Hubble sequence
  3. Spiral galaxy (Level 4)
    1. Unbarred spiral galaxy
    2. Barred spiral galaxy (Level 4)
    3. Grand design spiral galaxy
    4. Flocculent spiral galaxy
    5. Magellanic spiral
    6. Density wave theory
    7. SSPSF model
    8. Tully–Fisher relation
  4. Elliptical galaxy (Level 4)
    1. Dwarf elliptical galaxy
    2. Type-cD galaxy
    3. Faber–Jackson relation
  5. Lenticular galaxy (Level 4)
  6. Irregular galaxy (Level 4)
  7. Dwarf galaxy (Level 4)
  8. Dark galaxy
  9. Brightest cluster galaxy
  10. Ring galaxy
  11. Low surface brightness galaxy
  12. Peculiar galaxy
  13. Lyman-alpha emitter

Active galactic nucleus (10 articles)

  1. Active galactic nucleus (Level 4)
  2. Eddington luminosity
  3. Low-ionization nuclear emission-line region
  4. Seyfert galaxy (Level 4)
  5. Luminous infrared galaxy
  6. Radio galaxy (Level 4)
  7. Quasar (Level 4)
  8. Blazar (Level 4)
    1. BL Lacertae object
  9. Lyman-alpha forest

Physical cosmology (53 articles)