HandWiki:Astronomy

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Handwiki astronomy.svg Astronomy

Astronomy is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, and comets. This encyclopedia covers cosmology, space science, space exploration, celestial objects and phenomena.     [Add article.]


List of Categories

0

Main topics

  1. Abell planetary nebulae
  2. Achondrite meteorites
  3. Advanced Stirling radioisotope generator
  4. Aeolis quadrangle
  5. Aerosol measurement
  6. Albedo features on Mars
  7. Aldebaran
  8. Alfred P. Sloan Foundation
  9. Algol variables
  10. Alpha Cygni variables
  11. Alpha2 Canum Venaticorum variables
  12. Amateur astronomy
  13. Amazonis quadrangle
  14. Amenthes quadrangle
  15. Ananke group
  16. Ancient Greek astronomy
  17. Ancient astronomical observatories
  18. Ancient astronomy
  19. Andromeda Subgroup
  20. Anthropic principle
  21. Antlia
  22. Arabia quadrangle
  23. Arcadia quadrangle
  24. Archaeoastronomy
  25. Argyre quadrangle
  26. Asterisms (astronomy)
  27. Asteroseismology
  28. Astrochemistry
  29. Astrodynamics
  30. Astrometric binaries
  31. Astrometry
  32. Astronomical X-ray sources
  33. Astronomical catalogues
  34. Astronomical catalogues of nebulae
  35. Astronomical classification systems
  36. Astronomical controversies
  37. Astronomical databases
  38. Astronomical dynamical systems
  39. Astronomical epochs
  40. Astronomical events
  41. Astronomical events in the near future
  42. Astronomical events of the Solar System
  43. Astronomical hypotheses
  44. Astronomical nomenclature
  45. Astronomical observatories
  46. Astronomical radio sources
  47. Astronomical spectroscopy
  48. Astronomical sub-disciplines
  49. Astronomical surveys
  50. Astronomical tables
  51. Astronomical transits
  52. Astronomy
  53. Astronomy in the Antarctic
  54. Astronomy projects
  55. Astronomy timelines
  56. Astronomy-related lists
  57. Astroparticle physics
  58. Astrophotography
  59. Astrophysics
  60. Astrophysics theories
  61. Asura
  62. Atmosphere of Mars
  63. Atmospheric entry
  64. Atmospheric radiation
  65. B-type subdwarfs
  66. Babylonian astronomy
  67. Beacons
  68. Belt regions of the United States
  69. Beta Cephei variables
  70. Beta Lyrae variables
  71. Beta Pictoris moving group
  72. Bifurcation theory
  73. Big Bang
  74. Big Dipper
  75. Binary systems
  76. Black holes
  77. Blazars
  78. Bodies of the Solar System
  79. Brown dwarfs
  80. Canes II Group
  81. Canis Major
  82. Carina Nebula
  83. Casius quadrangle
  84. Castor Moving Group
  85. Cebrenia quadrangle
  86. Celestial cartography
  87. Celestial coordinate system
  88. Celestial mechanics
  89. Celestial navigation
  90. Cepheid variables
  91. Ceres (dwarf planet)
  92. Chaotic terrains on Mars
  93. Charon (moon)
  94. Circumbinary planets
  95. Circumstellar disks
  96. Classical Cepheid variables
  97. Cliffs on Mars
  98. Climate of Mars
  99. Colonization of Mars
  100. Coma I Group
  101. Comets
  102. Commercial Lunar Payload Services
  103. Computational astronomy
  104. Contact binary (small Solar System body)
  105. Coprates quadrangle
  106. Corona Australis
  107. Corona Borealis
  108. Cosmic background radiation
  109. Cosmic dust
  110. Cosmic microwave background experiments
  111. Cosmogony
  112. Cosmological simulation
  113. Cosmology
  114. Crab Nebula
  115. Dark matter
  116. Dark nebulae
  117. Deep Space Habitat
  118. Delta Scuti variables
  119. Diacria quadrangle
  120. Diffuse nebulae
  121. Distant minor planets
  122. Dwarf novae
  123. Dwarf planets
  124. Dynamics of the Solar System
  125. Early scientific cosmologies
  126. Earth orbits
  127. Eclipsing binaries
  128. Elysium quadrangle
  129. Eridania quadrangle
  130. Eridanus Group
  131. Europa (moon)
  132. Exoplanet candidates
  133. Exoplanet catalogues
  134. Exoplanet search projects
  135. Exoplanetology
  136. Exoplanets
  137. Exoplanets detected by direct imaging
  138. Exoplanets detected by microlensing
  139. Exoplanets detected by radial velocity
  140. Exoplanets in the habitable zone
  141. Exploration of Mars
  142. Exploration of the Moon
  143. Explosion protection
  144. Extragalactic astronomy
  145. Extraterrestrial atmosphere entry
  146. Extraterrestrial cliffs
  147. Extraterrestrial hills
  148. Extraterrestrial lakesMars
  149. Extraterrestrial landslides
  150. Extraterrestrial mesas
  151. Extraterrestrial ridges
  152. Extraterrestrial rocks
  153. Extraterrestrial water
  154. FP7 projects
  155. Fermi paradox
  156. Former dwarf planet candidates
  157. G-Cloud
  158. G-type subdwarfs
  159. Galactic astronomy
  160. Gamma Cephei
  161. Gamma Doradus variables
  162. Gamma-ray astronomy
  163. Gamma-ray bursts
  164. Ganymede (moon)
  165. Geological features on the Moon
  166. Geology of Mars
  167. Geology of Venus
  168. Geology of the Moon
  169. Giant planets
  170. Giant planets in the habitable zone
  171. Gravitational-wave astronomy
  172. Gravitationally lensed quasars
  173. Great Attractor
  174. Guinevere Planitia quadrangle
  175. Gum Nebula
  176. H II regions
  177. Habitable zone planets
  178. Halley-type comets
  179. Haumea (dwarf planet)
  180. Hellas quadrangle
  181. Hemispheres of Moon
  182. Hertzsprung–Russell classifications
  183. Hickson Compact Groups
  184. High-velocity clouds
  185. Hot Jupiters
  186. Hubble Ultra-Deep Field
  187. Human spaceflight
  188. Human spaceflights
  189. IARC Group 1 carcinogens
  190. Iapygia quadrangle
  191. Inflation (cosmology)
  192. Intergalactic media
  193. Intermediate polars
  194. Interstellar media
  195. Interstellar messages
  196. Io (moon)
  197. Iron meteorites
  198. Irregular variables
  199. Ismenius Lacus quadrangle
  200. Jupiter
  201. Jupiter impact events
  202. Jupiter trojans
  203. K2-3 system
  204. L-type subdwarfs
  205. LQ01 quadrangle
  206. LQ06 quadrangle
  207. LQ08 quadrangle
  208. LQ10 quadrangle
  209. LQ12 quadrangle
  210. LQ26 quadrangle
  211. LQ28 quadrangle
  212. LQ30 quadrangle
  213. Large Magellanic Cloud
  214. Large-scale structure of the cosmos
  215. Leo Minor
  216. Lists of exoplanets
  217. Lists of extraterrestrial mountains
  218. Lists of minor planets by number
  219. Lists of moons
  220. Lists of nebulae
  221. Lists of superlatives in astronomy
  222. Local Group
  223. Long-duration gamma-ray bursts
  224. Lost comets
  225. Luminous blue variables
  226. Luminous red novae
  227. Lunae Palus quadrangle
  228. Lunar Gateway
  229. Lunar eclipses
  230. Lunar meteorites
  231. Lunar rovers
  232. Lunar samples
  233. Lunar science
  234. Lyman-alpha blobs
  235. M-type brown dwarfs
  236. M-type subdwarfs
  237. M101 Group
  238. M109 Group
  239. M51 Group
  240. M74 Group
  241. M81 Group
  242. M94 Group
  243. M96 Group
  244. Magellanic Clouds
  245. Magnetars
  246. Main-belt comets
  247. Manned space observatories
  248. Mare Acidalium quadrangle
  249. Mare Australe quadrangle
  250. Mare Boreum quadrangle
  251. Mare Imbrium
  252. Mare Tyrrhenum quadrangle
  253. Margaritifer Sinus quadrangle
  254. Maria on the Moon
  255. Mars
  256. Mars Science Laboratory
  257. Memnonia quadrangle
  258. Mercury (planet)
  259. Messier 100
  260. Meteor shower progenitors
  261. Meteor showers
  262. Meteorite minerals
  263. Meteorite types
  264. Meteoroids
  265. Microquasars
  266. Microscopium
  267. Milky Way
  268. Milky Way Subgroup
  269. Millisecond pulsars
  270. Mining in space
  271. Minor planets
  272. Mir
  273. Mira variables
  274. Miranda (moon)
  275. Molecular clouds
  276. Moon
  277. Moons
  278. Moons of Jupiter
  279. Moons of Mars
  280. Moons of Neptune
  281. Moons of Uranus
  282. Mountains on Io (moon)
  283. Mountains on Venus
  284. Mountains on the Moon
  285. Moving groups
  286. NASA
  287. NGC 3109 subgroup
  288. NGC 3603
  289. NGC 6822
  290. NGC 7331 Group
  291. Nebulae
  292. Neptune
  293. Neutrino astronomy
  294. Neutrino observatories
  295. Noachis quadrangle
  296. Non-periodic comets
  297. Nova remnants
  298. Novae
  299. OVV quasars
  300. Observational astronomy
  301. Observational cosmology
  302. Observatories
  303. Octans
  304. Oort cloud
  305. Optical pulsars
  306. Orbit of the Moon
  307. Orbital perturbations
  308. Orbiters (space probe)
  309. Orbits
  310. Orion Molecular Cloud Complex
  311. Orion variables
  312. Orion–Cygnus Arm
  313. Outer planets
  314. Oxia Palus quadrangle
  315. Pasiphae group
  316. Pauli exclusion principle
  317. Peculiar variables
  318. Periodic comets
  319. Perseus Arm
  320. Phaethontis quadrangle
  321. Pharmaceutical industry
  322. Phases of the Moon
  323. Phobos (moon)
  324. Phoenicis Lacus quadrangle
  325. Physical cosmology
  326. Physical universe
  327. Plains on Mars
  328. Planetary geology
  329. Planetary nebulae
  330. Planetary rings
  331. Planetary rovers
  332. Planetary satellite systems
  333. Planetary science
  334. Planetary systems
  335. Planetary transit variables
  336. Planets
  337. Planets of the Solar System
  338. Pluto
  339. Polaris
  340. Possible dwarf planets
  341. Pre-stellar cores
  342. Pre-stellar nebulae
  343. Protoplanetary nebulae
  344. Protoplanets
  345. Public observatories
  346. Pulsar planets
  347. Pulsars
  348. Pulsating variables
  349. Pulsating white dwarfs
  350. Quasars
  351. R Coronae Borealis variables
  352. RR Lyrae variables
  353. RS Canum Venaticorum variables
  354. RV Tauri variables
  355. Radio astronomy
  356. Radio observatories
  357. Recurrent novae
  358. Red dwarfs
  359. Reflection nebulae
  360. Ridges on Mars
  361. Rings of Saturn
  362. Rocks on Mars
  363. Rogue planets
  364. Rotating ellipsoidal variables
  365. Rotating radio transients
  366. Rotation-powered pulsars
  367. SX Arietis variables
  368. Satellite broadcasting
  369. Satellite imagery
  370. Saturn
  371. Scutum–Centaurus Arm
  372. Search for extraterrestrial intelligence
  373. Semidetached binaries
  374. Sinus Sabaeus quadrangle
  375. Sky regions
  376. Slow irregular variables
  377. Small Magellanic Cloud
  378. Soft landings on Mars
  379. Solar System
  380. Solar System dynamic theories
  381. Solar System-related lists
  382. Solar observatories
  383. Solar phenomena
  384. Solar space observatories
  385. Space access
  386. Space debris
  387. Space observatories
  388. Space physics
  389. Space plasmas
  390. Space radars
  391. Space research
  392. Space science
  393. Space science experiments
  394. Space tourism
  395. Space weather
  396. Spectroscopic binaries
  397. Spherical astronomy
  398. Standard candles
  399. Stellar associations
  400. Stellar astronomy
  401. Stellar black holes
  402. Stellar dynamics
  403. Stellar evolution
  404. Stellar groupings
  405. Stellar phenomena
  406. Stellar physics
  407. Stellar streams
  408. Subdwarfs
  409. Sun
  410. Super-Earths in the habitable zone
  411. Supermassive black holes
  412. Supernova remnants
  413. Supernovae
  414. Surface features of Mars
  415. Surface features of Neptune's moons
  416. Surface features of Titan (moon)
  417. Surface features of Uranian moons
  418. Surface features of Venus
  419. Surface features of bodies of the Solar System
  420. Suspected variables
  421. Symbiotic novae
  422. Syrtis Major quadrangle
  423. TW Hydrae association
  424. Tang dynasty poetry
  425. Tarantula Nebula
  426. Tau Ceti
  427. Telemetry
  428. Teleology
  429. Terrae on Mars
  430. Terrestrial planets
  431. Tharsis quadrangle
  432. Thaumasia quadrangle
  433. Time in astronomy
  434. Titan (moon)
  435. Trans-Neptunian region
  436. Transit of Venus
  437. Transiting exoplanets
  438. Triangulum Australe
  439. Triangulum Subgroup
  440. Triton (moon)
  441. Trojan minor planets
  442. Trojans (astronomy)
  443. Types of planet
  444. Ultraviolet astronomy
  445. Universe
  446. Upper Centaurus Lupus
  447. Upper Scorpius
  448. Uppsala University
  449. Uranus
  450. Ursa Major Moving Group
  451. Valleys and canyons on Mars
  452. Variational formalism of general relativity
  453. Venus
  454. Voids (astronomy)
  455. Volcanoes of Mars
  456. Volcanoes of Venus
  457. Volcanology of Mars
  458. Volcanology of Venus
  459. W Ursae Majoris variables
  460. W Virginis variables
  461. Water on Mars
  462. White dwarfs
  463. Wormhole theory
  464. X-ray astronomy
  465. X-ray binaries
  466. X-ray computed tomography
  467. X-ray equipment manufacturers
  468. X-ray pioneers
  469. X-ray pulsars
  470. Z Andromedae variables
  471. Zeta Herculis Moving Group

Asteroids

  1. A-type asteroids (SMASS)
  2. A-type asteroids (Tholen)
  3. Apohele asteroids
  4. Apollo asteroids
  5. Asteroid groups and families
  6. Asteroid spectral classes
  7. Asteroid surveys
  8. Asteroids
  9. Asteroids by planet crossed
  10. B-type asteroids (SMASS)
  11. B-type asteroids (Tholen)
  12. Beagle asteroids
  13. Binary asteroids
  14. C-type asteroids (SMASS)
  15. C-type asteroids (Tholen)
  16. CF-type asteroids (Tholen)
  17. Cb-type asteroids (SMASS)
  18. Contact binary (asteroid)
  19. D-type asteroids (SMASS)
  20. D-type asteroids (Tholen)
  21. E-type asteroids (Tholen)
  22. Earth-crosser asteroids
  23. F-type asteroids (Tholen)
  24. G-type asteroids (Tholen)
  25. Hektor asteroids
  26. Hilda asteroids
  27. Hygiea asteroids
  28. Juno asteroids
  29. K-type asteroids (SMASS)
  30. Karin asteroids
  31. Koronis asteroids
  32. L-type asteroids (SMASS)
  33. Lists of asteroids
  34. M-type asteroids (Tholen)
  35. Mercury-crossing asteroids
  36. Missions to asteroids
  37. Missions to main-belt asteroids
  38. Missions to near-Earth asteroids
  39. Near-Earth asteroids
  40. O-type asteroids (SMASS)
  41. P-type asteroids (Tholen)
  42. Pallas asteroids
  43. Potentially hazardous asteroids
  44. Q-type asteroids (SMASS)
  45. Q-type asteroids (Tholen)
  46. R-type asteroids (SMASS)
  47. R-type asteroids (Tholen)
  48. Radar-imaged asteroids
  49. S-type asteroids
  50. S-type asteroids (SMASS)
  51. S-type asteroids (Tholen)
  52. T-type asteroids
  53. V-type asteroids
  54. V-type asteroids (SMASS)
  55. V-type asteroids (Tholen)
  56. Venus-crosser asteroids
  57. X-type asteroids

Constellations

  1. Andromeda (constellation)
  2. Apus (constellation)
  3. Aquarius (constellation)
  4. Aquila (constellation)
  5. Ara (constellation)
  6. Argo Navis (constellation)
  7. Aries (constellation)
  8. Auriga (constellation)
  9. Camelopardalis (constellation)
  10. Cancer (constellation)
  11. Capricornus (constellation)
  12. Carina (constellation)
  13. Cassiopeia (constellation)
  14. Centaurus (constellation)
  15. Cepheus (constellation)
  16. Cetus (constellation)
  17. Chamaeleon (constellation)
  18. Circinus (constellation)
  19. Columba (constellation)
  20. Coma Berenices (constellation)
  21. Constellation program
  22. Constellations
  23. Constellations listed by Lacaille
  24. Constellations listed by Petrus Plancius
  25. Constellations listed by Ptolemy
  26. Corvus (constellation)
  27. Crater (constellation)
  28. Crux (constellation)
  29. Cygnus (constellation)
  30. Delphinus (constellation)
  31. Dorado (constellation)
  32. Draco (constellation)
  33. Equatorial constellations
  34. Eridanus (constellation)
  35. Former constellations
  36. Fornax (constellation)
  37. Gemini (constellation)
  38. Grus (constellation)
  39. Hercules (constellation)
  40. Horologium (constellation)
  41. Hydra (constellation)
  42. Hydrus (constellation)
  43. IAU constellations
  44. Indus (constellation)
  45. Lacerta (constellation)
  46. Leo (constellation)
  47. Lepus (constellation)
  48. Libra (constellation)
  49. Lists of constellations
  50. Lists of star names by constellation
  51. Lists of stars by constellation
  52. Lupus (constellation)
  53. Lynx (constellation)
  54. Lyra (constellation)
  55. Mensa (constellation)
  56. Monoceros (constellation)
  57. Musca (constellation)
  58. Norma (constellation)
  59. Northern constellations
  60. Ophiuchus (constellation)
  61. Orion (constellation)
  62. Pavo (constellation)
  63. Pegasus (constellation)
  64. Perseus (constellation)
  65. Phoenix (constellation)
  66. Pictor (constellation)
  67. Pisces (constellation)
  68. Pyxis (constellation)
  69. Reticulum (constellation)
  70. Sagitta (constellation)
  71. Sagittarius (constellation)
  72. Scorpius (constellation)
  73. Sculptor (constellation)
  74. Scutum (constellation)
  75. Serpens (constellation)
  76. Sextans (constellation)
  77. Southern constellations
  78. Taurus (constellation)
  79. Telescopium (constellation)
  80. Triangulum (constellation)
  81. Tucana (constellation)
  82. Ursa Major (constellation)
  83. Ursa Minor (constellation)
  84. Vela (constellation)
  85. Virgo (constellation)
  86. Volans (constellation)

Galaxies

  1. Active galaxies
  2. Active galaxy types
  3. Andromeda Galaxy
  4. Astronomical catalogues of galaxies
  5. Astronomical catalogues of galaxy clusters
  6. Barred galaxies
  7. Barred irregular galaxies
  8. Barred lenticular galaxies
  9. Barred spiral galaxies
  10. Dark galaxies
  11. Dwarf barred irregular galaxies
  12. Dwarf elliptical galaxies
  13. Dwarf galaxies
  14. Dwarf irregular galaxies
  15. Dwarf spheroidal galaxies
  16. Dwarf spiral galaxies
  17. Elliptical galaxies
  18. Field galaxies
  19. Galaxies
  20. Galaxy clusters
  21. Galaxy filaments
  22. Galaxy morphological types
  23. Galaxy superclusters
  24. Interacting galaxies
  25. Intermediate spiral galaxies
  26. Irregular galaxies
  27. Lenticular galaxies
  28. Lists of galaxies
  29. Low surface brightness galaxies
  30. Luminous infrared galaxies
  31. Overlapping galaxies
  32. Peculiar galaxies
  33. Polar-ring galaxies
  34. Principal Galaxies Catalogue objects
  35. Radio galaxies
  36. Ring galaxies
  37. Seyfert galaxies
  38. Spiral galaxies
  39. Starburst galaxies
  40. Stars in the Triangulum Galaxy
  41. Triangulum Galaxy
  42. Unbarred lenticular galaxies
  43. Unbarred spiral galaxies

Objects

  1. 2MASS objects
  2. 3C objects
  3. 4C objects
  4. Abell objects
  5. Arp objects
  6. Astronomical objects
  7. Astronomical objects known since antiquity
  8. Barnard objects
  9. Bayer objects
  10. CFBDS objects
  11. Caldwell objects
  12. Co-orbital objects
  13. Durchmusterung objects
  14. ESO objects
  15. Extreme trans-Neptunian objects
  16. Flamsteed objects
  17. Gliese and GJ objects
  18. Gould objects
  19. HR objects
  20. Henry Draper Catalogue objects
  21. Hipparcos objects
  22. Hypothetical astronomical objects
  23. IC objects
  24. IRAS catalogue objects
  25. Kepler Objects of Interest
  26. Kuiper belt objects
  27. LEDA objects
  28. Lists of Solar System objects
  29. Lists of astronomical objects
  30. MCG objects
  31. Messier objects
  32. NGC objects
  33. Near-Earth object tracking
  34. Near-Earth objects
  35. Near-Mars objects
  36. Objects with variable star designations
  37. Principal Galaxies Catalogue objects
  38. ROSAT objects
  39. Sharpless objects
  40. Substellar objects
  41. Trans-Neptunian objects
  42. UGC objects
  43. UGCA objects
  44. UGPS objects
  45. ULAS objects
  46. WISE objects
  47. WNC objects
  48. Wolf objects
  49. Zwicky objects

Clusters

  1. Alpha Persei Cluster
  2. Antlia Cluster
  3. Astronomical catalogues of galaxy clusters
  4. Centaurus Cluster
  5. Coma Cluster
  6. Coma Supercluster
  7. Galaxy clusters
  8. Galaxy superclusters
  9. Globular clusters
  10. Horologium Supercluster
  11. Hyades (star cluster)
  12. Hydra Cluster
  13. Hydra-Centaurus Supercluster
  14. Laniakea Supercluster
  15. Leo Cluster
  16. Norma Cluster
  17. Open clusters
  18. Pavo-Indus Supercluster
  19. Perseus-Pisces Supercluster
  20. Pleiades Open Cluster
  21. Shapley Supercluster
  22. Star clusters
  23. Super star clusters
  24. Ursa Major Cluster
  25. Virgo Cluster
  26. Virgo Supercluster

Stars

  1. A-type bright giants
  2. A-type giants
  3. A-type hypergiants
  4. A-type main-sequence stars
  5. A-type stars
  6. A-type subgiants
  7. A-type supergiants
  8. AM CVn stars
  9. Am stars
  10. Ap star
  11. Astronomical catalogues of stars
  12. Asymptotic-giant-branch stars
  13. B(e) stars
  14. B-type bright giants
  15. B-type giants
  16. B-type hypergiants
  17. B-type main-sequence stars
  18. B-type stars
  19. B-type subgiants
  20. B-type supergiants
  21. Barium stars
  22. Be stars
  23. Binary stars
  24. Bright giants
  25. C-type stars
  26. Cataclysmic variable stars
  27. Common envelope binary stars
  28. Compact stars
  29. Double stars
  30. Emission-line stars
  31. Extragalactic stars
  32. F-type bright giants
  33. F-type giants
  34. F-type hypergiants
  35. F-type main-sequence stars
  36. F-type stars
  37. F-type subgiants
  38. F-type supergiants
  39. FU Orionis stars
  40. Flare stars
  41. G-type bright giants
  42. G-type giants
  43. G-type hypergiants
  44. G-type main-sequence stars
  45. G-type stars
  46. G-type subgiants
  47. G-type supergiants
  48. Gamma Cassiopeiae variable stars
  49. Gas giants
  50. Giant stars
  51. Helium-weak star
  52. High-proper-motion stars
  53. Horizontal-branch stars
  54. Hyades (star cluster)
  55. Hypergiants
  56. Hypervelocity stars
  57. Ice giants
  58. K-type bright giants
  59. K-type giants
  60. K-type hypergiants
  61. K-type main-sequence stars
  62. K-type stars
  63. K-type subgiants
  64. K-type supergiants
  65. L-type stars
  66. L-type supergiants
  67. Lambda Boötis stars
  68. Lists of star names by constellation
  69. Lists of stars
  70. Lists of stars by constellation
  71. M-type bright giants
  72. M-type giants
  73. M-type hypergiants
  74. M-type main-sequence stars
  75. M-type stars
  76. M-type supergiants
  77. Main-sequence stars
  78. Mercury-manganese stars
  79. Modern star atlases
  80. Multi-star planetary systems
  81. Multiple star systems
  82. Multiple stars
  83. Neutron stars
  84. Northern pole stars
  85. O-type bright giants
  86. O-type giants
  87. O-type main-sequence stars
  88. O-type stars
  89. O-type subgiants
  90. O-type supergiants
  91. Objects with variable star designations
  92. Peculiar stars
  93. Polars (cataclysmic variable stars)
  94. Population II stars
  95. Post-asymptotic-giant-branch stars
  96. Protostars
  97. Quark stars
  98. Radio-quiet neutron stars
  99. Rapidly oscillating Ap stars
  100. Red giants
  101. Runaway stars
  102. S-type stars
  103. Semiregular variable stars
  104. Shell stars
  105. Slowly pulsating B stars
  106. Solar-type stars
  107. Southern pole stars
  108. Star clusters
  109. Star formation
  110. Star images
  111. Star symbols
  112. Star systems
  113. Star types
  114. Star-forming regions
  115. Starburst galaxies
  116. Stars
  117. Stars in NGC 2366
  118. Stars in the Large Magellanic Cloud
  119. Stars in the Small Magellanic Cloud
  120. Stars in the Triangulum Galaxy
  121. Stars with proper names
  122. Super star clusters
  123. Supergiants
  124. T Tauri stars
  125. T-type stars
  126. Triple star systems
  127. Triple stars
  128. Variable stars
  129. Very rapidly pulsating hot stars
  130. Wolf–Rayet stars
  131. Y-type stars

Craters

  1. Crater (constellation)
  2. Gale (crater)
  3. Impact craters
  4. Impact craters on Mars
  5. Impact craters on the Moon
  6. Lists of impact craters on the Moon

Telescopes

  1. Balloon-borne telescopes
  2. Chinese telescopes
  3. Cosmic-ray telescopes
  4. Double telescopes
  5. Gamma-ray telescopes
  6. Gravitational-wave telescopes
  7. High energy particle telescopes
  8. Hubble Space Telescope
  9. Infrared telescopes
  10. Interferometric telescopes
  11. Optical telescopes
  12. Proposed telescopes
  13. Radio telescopes
  14. Robotic telescopes
  15. Solar telescopes
  16. Space telescopes
  17. Spitzer Space Telescope
  18. Submillimetre telescopes
  19. Telescope types
  20. Telescopes
  21. UV Telescopes
  22. Ultraviolet telescopes
  23. X-ray telescopes

Programs and Missions

  1. Apollo 1
  2. Apollo 11
  3. Apollo 12
  4. Apollo 13
  5. Apollo 14
  6. Apollo 15
  7. Apollo 16
  8. Apollo 17
  9. Apollo 7
  10. Apollo asteroids
  11. Apollo program
  12. Apollo program astronauts
  13. Apollo program lunar sample displays
  14. Apollo program missions
  15. Canceled Apollo missions
  16. Cancelled space probes
  17. Chinese space probes
  18. Comets visited by spacecraft
  19. Constellation program
  20. Crewed space program of Russia
  21. Derelict space probes
  22. Discovery Program
  23. ESA probes
  24. Emission nebulae
  25. Emission-line stars
  26. European Space Agency space probes
  27. Explorers program (NASA)
  28. Human missions to Mars
  29. Human spaceflight programs
  30. International Space Station
  31. Japanese space probes
  32. Lists of space missions
  33. Mariner program
  34. Mars program
  35. Minor planets visited by spacecraft
  36. Missions to Jupiter
  37. Missions to Mars
  38. Missions to Neptune
  39. Missions to Pluto
  40. Missions to Saturn
  41. Missions to Uranus
  42. Missions to Venus
  43. Missions to asteroids
  44. Missions to comets
  45. Missions to main-belt asteroids
  46. Missions to near-Earth asteroids
  47. Missions to the Moon
  48. Missions to the Sun
  49. NASA probes
  50. NASA programs
  51. NASA space probes
  52. Pioneer program
  53. Proposed NASA space probes
  54. Proposed astrobiology space missions
  55. Proposed space probes
  56. Russian space probes
  57. Sample return missions
  58. Solar System Exploration program
  59. Soviet Mars missions
  60. Soviet Venus missions
  61. Soviet lunar program
  62. Space astrometry missions
  63. Space probes
  64. Space program of Russia
  65. Space program of the Soviet Union
  66. Space programme of India
  67. Spacecraft escaping the Solar System
  68. Venera program
  69. Voyager program

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