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词条 Outline of astronomy
释义

  1. Nature of astronomy

  2. Branches of astronomy

  3. History of astronomy

  4. Basic astronomical phenomena

  5. Astronomical objects

     Solar System  Sun   Planets    Small Solar System bodies    Extrasolar planets   Stars and stellar objects   Stars    Variable stars    Supernovae    Black holes   Constellations  The 88 modern constellations   Constellation history   The 48 constellations listed by Ptolemy after 150 AD    The 41 additional constellations added in the 16th and 17th centuries    Obsolete constellations including Ptolemy's Argo Navis   Clusters and nebulae  Galaxies  Cosmology  Space exploration  Organizations  Public sector space agencies  Africa  North Africa  Sub-Saharan  Americas  North America  South America  Asia  East Asia  Southeast Asia  South Asia  Southwest Asia  Central Asia  Europe  Oceania  World  Books and publications 

  6. Astronomers

  7. See also

  8. References

  9. External links

{{Short description|1=Overview of and topical guide to astronomy}}

The following outline is provided as an overview of and topical guide to astronomy:

Astronomy – studies the universe beyond Earth, including its formation and development, and the evolution, physics, chemistry, meteorology, and motion of celestial objects (such as galaxies, planets, etc.) and phenomena that originate outside the atmosphere of Earth (such as the cosmic background radiation).

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Nature of astronomy

Astronomy can be described as all the following:

  • An academic discipline: one with academic departments, curricula and degrees; national and international societies; and specialized journals.
  • A scientific field (a branch of science) – widely recognized category of specialized expertise within science, and typically embodies it
    • A natural science – one that seeks to elucidate the rules that govern the natural world using empirical and scientific methods.
    • A branch or field of space science
  • A hobby or part-time pursuit for the satisfaction of personal curiosity or appreciation of beauty, the latter especially including astrophotography.

Branches of astronomy

  • Astrobiology – studies the advent and evolution of biological systems in the universe.
  • Astrophysics – branch of astronomy that deals with the physics of the universe, including the physical properties of celestial objects, as well as their interactions and behavior.[1] Among the objects studied are galaxies, stars, planets, exoplanets, the interstellar medium and the cosmic microwave background; and the properties examined include luminosity, density, temperature, and chemical composition. The subdisciplines of theoretical astrophysics are:
    • Compact objects – this subdiscipline studies very dense matter in white dwarfs and neutron stars and their effects on environments including accretion.
    • Physical cosmology – origin and evolution of the universe as a whole. The study of cosmology is theoretical astrophysics at its largest scale.
    • Computational astrophysics – The study of astrophysics using computational methods and tools to develop computational models.
    • Galactic astronomy – deals with the structure and components of our galaxy and of other galaxies.
    • High energy astrophysics – studies phenomena occurring at high energies including active galactic nuclei, supernovae, gamma-ray bursts, quasars, and shocks.
    • Interstellar astrophysics – study of the interstellar medium, intergalactic medium and dust.
    • Extragalactic astronomy – study of objects (mainly galaxies) outside our galaxy, including Galaxy formation and evolution.
    • Stellar astronomy – concerned with Star formation, physical properties, main sequence life span, variability, stellar evolution and extinction.
    • Plasma astrophysics – studies properties of plasma in outer space.
    • Relativistic astrophysics – studies effects of special relativity and general relativity in astrophysical contexts including gravitational waves, gravitational lensing and black holes.
    • Solar physics – Sun and its interaction with the remainder of the Solar System and interstellar space.
  • Planetary Science – study of planets, moons, and planetary systems.
    • Atmospheric science – study of atmospheres and weather.
    • Exoplanetology – various planets outside of the Solar System
    • Planetary formation – formation of planets and moons in the context of the formation and evolution of the Solar System.
    • Planetary rings – dynamics, stability, and composition of planetary rings
    • Magnetospheres – magnetic fields of planets and moons
    • Planetary surfaces – surface geology of planets and moons
    • Planetary interiors – interior composition of planets and moons
    • Small Solar System bodies – smallest gravitationally bound bodies, including asteroids, comets, and Kuiper belt objects.
  • Astronomy divided by general technique used for astronomical research:
    • Astrometry – study of the position of objects in the sky and their changes of position. Defines the system of coordinates used and the kinematics of objects in our galaxy.
    • Observational astronomy – practice of observing celestial objects by using telescopes and other astronomical apparatus. It is concerned with recording data. The subdisciplines of observational astronomy are generally made by the specifications of the detectors:
    • Radio astronomy – Above 300 µm
    • Submillimetre astronomy – 200 µm to 1 mm
    • Infrared astronomy – 0.7–350 µm
    • Optical astronomy – 380–750 nm
    • Ultraviolet astronomy – 10–320 nm
    • X-ray astronomy – 0.01–10 nm
    • Gamma-ray astronomy – Below 0.01 nm
    • Cosmic ray astronomy – Cosmic rays, including plasma
    • Neutrino astronomy – Neutrinos
    • Gravitational wave astronomy – Gravitons
    • Photometry – study of how bright celestial objects are when passed through different filters
    • Spectroscopy – study of the spectra of astronomical objects
  • Other disciplines that may be considered part of astronomy:
    • Archaeoastronomy
    • Astrochemistry

History of astronomy

{{Div col|colwidth=25em}}History of astronomy
  • History of the Center of the Universe
    • Geocentric model
    • Heliocentrism
    • Copernican heliocentrism
    • Tychonic system
  • Archaeoastronomy
    • Archaeoastronomy and Vedic chronology
  • Pretelescopic astronomy
    • Babylonian astronomy
    • Chinese astronomy
    • Egyptian astronomy
    • Greek astronomy
    • Hebrew astronomy
    • Indian astronomy
    • Islamic astronomy
    • Russian astronomy
    • Astronomy in the Middle Ages
    • Science in Medieval Western Europe
    • Astronomy in medieval Islam
  • History of astronomy in the Renaissance
    • Scientific developments during the Scientific Revolution
    • Patronage in astronomy
    • Copernican Revolution
    • Copernican heliocentrism
    • Nicolaus Copernicus
    • On the Revolutions of the Heavenly Spheres
    • Tycho Brahe
    • Tychonic system
    • Galileo Galilei
    • Dialogue Concerning the Two Chief World Systems defense of the heliocentric system written by Galileo, which led to his trial and house arrest by the Inquisition.
    • Invention of the telescope
    • History of visible-light astronomy
  • History of astronomy in the Age of Reflection
  • Radio astronomy#History of radio astronomy
  • History of X-ray astronomy
  • History of infrared astronomy
  • History of gamma-ray astronomy
  • History of supernova observation
    • List of supernovae
{{div col end}}

Basic astronomical phenomena

{{Div col|colwidth=25em}}
  • Atmosphere
  • Celestial pole
  • Eclipse
  • Ecliptic
  • Cosmic rays
  • Kepler's laws
  • Doppler effect
  • Nutation
  • Orbit
  • Perturbation
  • Precession
  • Proper motion
  • Redshift
  • Solar eclipse
  • Tides
  • Zodiac
{{div col end}}

Astronomical objects

Astronomical object

Solar System

{{Solar System navmap}}
  • Solar System
  • Geology of solar terrestrial planets
  • List of Solar System objects
    • List of Solar System objects by size
  • Galilean satellites
  • Halley's comet

Sun

{{Div col|colwidth=25em}}Sun
  • Location
    • Milky Way
    • Solar System
  • Stellar classification
    • Stellar classification#Class G
  • Internal structure
    • Standard Solar Model
    • Solar core
    • Radiation zone
    • Convection zone
  • Stellar atmosphere
    • Photosphere
    • Supergranulation
    • Granule
    • Facula
    • Sunspot
    • Chromosphere
    • Plage
    • Spicule
    • Moreton wave
    • Corona
    • Solar transition region
    • Coronal hole
    • Coronal loop
    • Coronal mass ejection
    • Solar prominence
    • Helmet streamer
  • Solar variation
    • Solar cycle
    • List of solar cycles
    • Solar maximum
    • Solar minimum
    • Wolf number
    • Solar flare
    • Helioseismology
  • Heliosphere
    • Solar wind
    • Heliospheric current sheet
    • Heliosphere#Termination shock
    • Heliosphere#Heliosheath
    • Heliosphere#Heliopause
    • Bow shock
  • Related phenomena
    • Solar dynamo
    • Solar eclipse
    • Sunlight
    • Solar energy
  • Equipment used to study the Sun
    • Solar telescope
{{div col end}}

Planets

{{Div col|colwidth=25em}}
  • Planet
    • Features
    • Natural satellites (moons)
    • Planetary rings
  • Planets of the Solar System
    • Mercury
    • Venus
    • Earth
    • Moon
    • Mars
    • Moons of Mars
    • Jupiter
    • Moons of Jupiter
    • Rings of Jupiter
    • Saturn
    • Moons of Saturn
    • Rings of Saturn
    • Uranus
    • Moons of Uranus
    • Rings of Uranus
    • Neptune
    • Moons of Neptune
    • Rings of Neptune
  • Dwarf planets of the Solar System
    • Ceres
    • Pluto
    • Moons of Pluto
    • Haumea
    • Moons of Haumea
    • Makemake
    • Eris
    • Dysnomia
{{div col end}}

Small Solar System bodies

{{Div col|colwidth=25em}}Small Solar System body
  • Asteroids
    • Minor planets
    • Category:Asteroid groups and families
    • Vulcanoid asteroids
    • Near-Earth asteroids
    • Asteroid belt
    • Trojan asteroid
    • Centaur
    • Neptune Trojans
    • Minor planet moons
    • Meteoroids
    • 2 Pallas
    • 3 Juno
    • 4 Vesta
    • 10 Hygiea
    • List of asteroids
    • Meanings of asteroid names
  • Trans-Neptunian objects
    • Kuiper belt
    • Plutinos
    • 90482 Orcus
    • 28978 Ixion
    • Cubewanos
    • {{mpl-|55637|2002 UX|25}}
    • 20000 Varuna
    • {{mpl-|15760| 1992 QB|1}}
    • {{mpl-|55636|2002 TX|300}}
    • 50000 Quaoar
    • 38628 Huya
    • {{mpl-|55565|2002 AW|197}}
    • Scattered disc
    • {{mpl-|84522|2002 TC|302}}
    • {{mpl|2004 XR|190}}
    • 90377 Sedna
    • Comets
    • List of periodic comets
    • List of non-periodic comets
    • Damocloids
    • Hills cloud
    • Oort cloud
{{div col end}}

Extrasolar planets

  • Extrasolar planet – planet outside the Solar System. A total of 899 such planets (in 698 planetary systems, including 133 multiple planetary systems) have been identified as of 27 June 2013.
    • Super-Earth –

Stars and stellar objects

Stars

{{Div col|colwidth=25em}}
  • Stellar evolution
    • Star formation
    • Pre–main sequence
    • Main sequence
    • Horizontal branch
    • Asymptotic giant branch
    • Dredge-up
    • Instability strip
    • Red clump
    • PG 1159 star
    • Mira variable
    • Planetary nebula
    • Protoplanetary nebula
    • Luminous red nova
    • Luminous blue variable
    • Wolf–Rayet star
    • Supernova impostor
    • Supernova
    • Hypernova
    • Hertzsprung–Russell diagram
    • Color–color diagram
  • Protostars
    • Molecular cloud
    • H II region
    • Bok globule
    • Young stellar object
    • Herbig–Haro object
    • Hayashi track
    • Hayashi limit
    • Henyey track
    • Orion variable
    • T Tauri star
    • FU Orionis star
    • Herbig Ae/Be
  • Luminosity class
    • Subdwarf star
    • Dwarf star
    • Blue dwarf
    • Red dwarf
    • Subgiant
    • Giant star
    • Blue giant
    • Red giant
    • Bright giant
    • Supergiant
    • Blue supergiant
    • Red supergiant
    • Yellow supergiant
    • Hypergiant
    • Yellow hypergiant
    • Blue straggler
  • Stellar classification
    • O-type main-sequence star
    • B-type main-sequence star
    • A-type main-sequence star
    • F-type main-sequence star
    • G-type main-sequence star
    • K-type main-sequence star
    • M-type main-sequence star
    • Be star
    • OB star
    • Subdwarf B star
    • Late-type star
    • Peculiar star
    • Am star
    • Ap and Bp stars
    • Rapidly oscillating Ap star
    • Barium star
    • Carbon star
    • CH star
    • Extreme helium star
    • Lambda Boötis star
    • Lead star
    • Mercury-manganese star
    • S-type star
    • Shell star
    • Technetium star
  • Remnants
    • White dwarf
    • Black dwarf
    • Helium planet
    • Neutron star
    • Pulsar
    • Magnetar
    • Stellar black hole
    • Compact star
    • Quark star
    • Exotic star
    • Stellar core: EF Eridani
  • Failed and theoretical stars
    • Substellar object
    • Brown dwarf
    • Sub-brown dwarf
    • Planetar
    • Boson star
    • Dark star
    • Quasistar
    • Thorne–Żytkow object
    • Iron star
  • Stellar nucleosynthesis
    • Alpha process
    • Triple-alpha process
    • Proton–proton chain reaction
    • Helium flash
    • CNO cycle
    • Lithium burning
    • Carbon-burning process
    • Neon-burning process
    • Oxygen-burning process
    • Silicon-burning process
    • S-process
    • R-process
    • Fusor
    • Nova
    • Nova remnant
  • Stellar structure
    • Solar core
    • Convection zone
    • Microturbulence
    • Solar-like oscillations
    • Radiation zone
    • Photosphere
    • Starspot
    • Chromosphere
    • Corona
    • Stellar wind
    • Stellar-wind bubble
    • Asteroseismology
    • Eddington luminosity
    • Kelvin–Helmholtz mechanism
  • Properties
    • Star designation
    • Stellar dynamics
    • Effective temperature
    • Stellar kinematics
    • Stellar magnetic field
    • Magnitude
    • Absolute magnitude
    • Solar mass
    • Metallicity
    • Stellar rotation
    • UBV photometric system
    • Variable star
  • Star systems
    • Binary star
    • Contact binary
    • Common envelope
    • Multiple star
    • Accretion disc
    • Planetary system
    • Earth's Solar System
  • Earth-centric observation of stars
    • Pole star
    • Circumpolar star
    • Magnitude
    • Apparent magnitude
    • Photographic magnitude
    • color-color diagram
    • Radial velocity
    • Proper motion
    • Parallax#Stellar parallax
    • Photometric-standard star
  • Lists of stars
    • List of proper names of stars
    • List of Arabic star names
    • Traditional Chinese star names
    • List of most massive stars
    • List of least massive stars
    • List of largest known stars
    • List of brightest stars
    • Historical brightest stars
    • List of most luminous stars
    • List of nearest stars
    • List of nearest bright stars
    • List of exoplanetary host stars
    • List of brown dwarfs
    • List of planetary nebulae
    • List of novae
    • List of supernovae
    • List of supernova remnants
    • List of supernova candidates
    • Timeline of stellar astronomy
{{div col end}}

Variable stars

{{Div col|colwidth=25em}}Variable star
  • Pulsating
    • Cepheids and cepheid-like
    • Cepheid variable
    • Type II Cepheids
    • RR Lyrae variable
    • Delta Scuti variable
    • SX Phoenicis variable
    • Blue-white with early spectra
    • Beta Cephei variable
    • PV Telescopii variable
    • Long Period and Semiregular
    • Mira variable
    • Semiregular variable
    • Slow irregular variable
    • Other
    • RV Tauri variable
    • Alpha Cygni variable
    • Pulsating white dwarf
  • Eruptive
    • Pre-main sequence star
    • Herbig Ae/Be
    • Orion variable
    • FU Orionis star
    • Main Sequence
    • Wolf-Rayet star
    • Flare star
    • Giants and supergiants
    • Luminous blue variable
    • Gamma Cassiopeiae variable
    • R Coronae Borealis variable
    • Eruptive binary
    • RS Canum Venaticorum variable
    • Cataclysmic or explosive
    • Cataclysmic variable star
    • Dwarf nova
    • Nova
    • Supernova
    • Z Andromedae
  • Rotating
    • Non-spherical
    • Ellipsoidal
    • Stellar spots
    • FK Comae Berenices
    • BY Draconis variable
    • Magnetic fields
    • Alpha² Canum Venaticorum variable
    • SX Arietis
    • Pulsar
  • Eclipsing binary
    • Algol variable
    • Beta Lyrae variable
    • W Ursae Majoris variable
{{div col end}}

Supernovae

{{Div col|colwidth=25em}}Supernova
  • Classes
    • Type Ia supernova
    • Type Ib and Ic supernovae
    • Type II (IIP and IIL)
  • Related
    • Near-Earth supernova
    • Supernova impostor
    • Hypernova
    • Quark-nova
    • Pulsar kicks
  • Structure
    • Pair-instability supernova
    • Supernova nucleosynthesis
    • P-process
    • R-process
    • Gamma-ray burst
    • Carbon detonation
  • Progenitors
    • Luminous blue variable
    • Wolf–Rayet star
    • Supergiant
    • Blue supergiant
    • Red supergiant
    • Yellow supergiant
    • Hypergiant
    • Yellow hypergiant
    • White dwarf
  • Remnants
    • Supernova remnant
    • Neutron star
    • Pulsar
    • Magnetar
    • Stellar black hole
    • Compact star
    • Supergiant
    • Quark star
    • Exotic star
  • Discovery
    • Guest star
    • History of supernova observation
    • Timeline of white dwarfs, neutron stars, and supernovae
  • Notable
    • List of supernovae
    • List of supernova remnants
    • List of supernova candidates
    • List of most massive stars
    • Supernovae in fiction
    • SN 1054
    • Supergiant
    • Crab Nebula
    • Tycho's
    • Kepler's
    • SN 1987A
    • SN 185
    • SN 1006
    • SN 2003fg
    • Vela Supernova Remnant
    • Remnant G1.9+0.3
    • SN 2007bi
  • Research
    • Supernova Cosmology Project
    • High-z Supernova Search Team
    • Texas Supernova Search
    • Nearby Supernova Factory
    • Supernova Legacy Survey
    • Supernova Early Warning System
    • Monte Agliale Supernovae and Asteroid Survey
    • Supernova/Acceleration Probe
    • Sloan Digital Sky Survey#Sloan Supernova Survey
{{div col end}}

Black holes

{{Div col|colwidth=25em}}Black hole
  • Types
    • Schwarzschild metric
    • Rotating black hole
    • Charged black hole
    • Virtual black hole
  • Size
    • Micro black hole
    • Extremal black hole (Black hole electron)
    • Stellar black hole
    • Intermediate-mass black hole
    • Supermassive black hole
    • Quasar
    • Active galactic nucleus
    • Blazar
  • Formation
    • Stellar evolution
    • Gravitational collapse
    • Neutron star (neutron star)
    • Compact star
    • Quark star
    • Exotic star
    • Tolman–Oppenheimer–Volkoff limit
    • White dwarf (white dwarf)
    • Supernova (supernovae)
    • Hypernova
    • Gamma-ray burst
  • Properties
    • Black hole thermodynamics
    • Schwarzschild radius
    • M-sigma relation
    • Event horizon
    • Quasi-periodic oscillation
    • Photon sphere
    • Ergosphere
    • Hawking radiation
    • Penrose process
    • Bondi accretion
    • Spaghettification
    • Gravitational lens
  • Models
    • Gravitational singularity (Penrose–Hawking singularity theorems)
    • Primordial black hole
    • Gravastar
    • Dark star
    • Dark energy star
    • Black star
    • Magnetospheric eternally collapsing object
    • Fuzzball
    • White hole
    • Naked singularity
    • Ring singularity
    • Immirzi parameter
    • Membrane paradigm
    • Kugelblitz
    • Wormhole
    • Quasistar
  • Issues
    • No-hair theorem
    • Black hole information paradox
    • Cosmic censorship hypothesis
    • Nonsingular black hole models
    • Holographic principle
    • Black hole complementarity
  • Metrics
    • Schwarzschild metric
    • Kerr metric
    • Reissner–Nordström
    • Kerr–Newman
  • Related
    • List of black holes
    • Timeline of black hole physics
    • Rossi X-ray Timing Explorer
    • Hypercompact stellar system
{{div col end}}

Constellations

  • Constellation

The 88 modern constellations

{{Div col|colwidth=15em}}
  • Andromeda
  • Antlia
  • Apus
  • Aquarius
  • Aquila
  • Ara
  • Aries
  • Auriga
  • Boötes
  • Caelum
  • Camelopardalis
  • Cancer
  • Canes Venatici
  • Canis Major
  • Canis Minor
  • Capricornus
  • Carina
  • Cassiopeia
  • Centaurus
  • Cepheus
  • Cetus
  • Chamaeleon
  • Circinus
  • Columba
  • Coma Berenices
  • Corona Australis
  • Corona Borealis
  • Corvus
  • Crater
  • Crux
  • Cygnus
  • Delphinus
  • Dorado
  • Draco
  • Equuleus
  • Eridanus
  • Fornax
  • Gemini
  • Grus
  • Hercules
  • Horologium
  • Hydra
  • Hydrus
  • Indus
  • Lacerta
  • Leo
  • Leo Minor
  • Lepus
  • Libra
  • Lupus
  • Lynx
  • Lyra
  • Mensa
  • Microscopium
  • Monoceros
  • Musca
  • Norma
  • Octans
  • Ophiuchus
  • Orion
  • Pavo
  • Pegasus
  • Perseus
  • Phoenix
  • Pictor
  • Pisces
  • Piscis Austrinus
  • Puppis
  • Pyxis
  • Reticulum
  • Sagitta
  • Sagittarius
  • Scorpius
  • Sculptor
  • Scutum
  • Serpens
  • Sextans
  • Taurus
  • Telescopium
  • Triangulum
  • Triangulum Australe
  • Tucana
  • Ursa Major
  • Ursa Minor
  • Vela
  • Virgo
  • Volans
  • Vulpecula
{{div col end}}

Constellation history

The 48 constellations listed by Ptolemy after 150 AD
{{Div col|colwidth=15em}}
  • Andromeda
  • Aquarius
  • Aquila
  • Ara
  • Argo Navis
  • Aries
  • Auriga
  • Boötes
  • Cancer
  • Canis Major
  • Canis Minor
  • Capricornus
  • Cassiopeia
  • Centaurus
  • Cepheus
  • Cetus
  • Corona Australis
  • Corona Borealis
  • Corvus
  • Crater
  • Cygnus
  • Delphinus
  • Draco
  • Equuleus
  • Eridanus
  • Gemini
  • Hercules
  • Hydra
  • Leo
  • Lepus
  • Libra
  • Lupus
  • Lyra
  • Ophiuchus
  • Orion
  • Pegasus
  • Perseus
  • Pisces
  • Piscis Austrinus
  • Sagitta
  • Sagittarius
  • Scorpius
  • Serpens
  • Taurus
  • Triangulum
  • Ursa Major
  • Ursa Minor
  • Virgo
{{div col end}}
The 41 additional constellations added in the 16th and 17th centuries
{{Div col|colwidth=25em}}
  • Vespucci or Corsalius early 16c: Crux
  • Triangulum Australe ▶ Vopel 1536: Coma Berenices ▶ Keyser & de Houtman 1596: Apus
  • Chamaeleon
  • Dorado
  • Grus
  • Hydrus
  • Indus
  • Musca
  • Pavo
  • Phoenix
  • Tucana
  • Volans ▶ Plancius 1613: Camelopardalis
  • Columba
  • Monoceros ▶ Habrecht 1621: Reticulum ▶ Hevelius 1683: Canes Venatici
  • Lacerta
  • Leo Minor
  • Lynx
  • Scutum
  • Sextans
  • Vulpecula ▶ de Lacaille 1763: Antlia
  • Caelum
  • Carina
  • Circinus
  • Fornax
  • Horologium
  • Mensa
  • Microscopium
  • Norma
  • Octans
  • Pictor
  • Puppis
  • Pyxis
  • Sculptor
  • Telescopium
  • Vela
{{div col end}}
Obsolete constellations including Ptolemy's Argo Navis
{{Div col|colwidth=25em}}Obsolete constellations including Ptolemy's Argo NavisAnser
  • Antinous
  • Argo Navis
  • Asterion
  • Cancer Minor
  • Cerberus
  • Chara
  • Custos Messium
  • Felis
  • Frederici Honores/Gloria Frederici
  • Gallus
  • Globus Aerostaticus
  • Jordanus
  • Lochium Funis
  • Machina Electrica
  • Malus
  • Mons Maenalus
  • Musca Borealis
  • Noctua
  • Officina Typographica
  • Polophylax
  • Psalterium Georgianum/Harpa Georgii
  • Quadrans Muralis
  • Ramus Pomifer
  • Robur Carolinum
  • Sceptrum Brandenburgicum
  • Sceptrum et Manus Iustitiae
  • Solarium
  • Rangifer/Tarandus
  • Taurus Poniatovii
  • Telescopium Herschelii
  • Testudo
  • Tigris
  • Triangulum Minus
  • Turdus Solitarius
  • Vespa
  • Vultur cadens
  • Vultur volans
{{div col end}}

Clusters and nebulae

{{Div col|colwidth=25em}}
  • Interstellar matter
  • Nebula
  • Crab Nebula
  • H I region
  • H II region
  • Orion nebula
  • Planetary nebula
  • Pleiades
{{div col end}}{{Stellar system}}

Galaxies

  • Galaxy
  • Andromeda Galaxy
  • Magellanic Clouds
  • Quasar
{{Milky Way}}{{Galaxy}}

Cosmology

{{Div col|colwidth=25em}}
  • Big Bang
  • Cosmic microwave background
  • Cosmos
  • Dark matter
  • Cosmic distance ladder
  • Hubble constant
  • Olber's paradox
  • Universe
{{div col end}}{{CMB}}

Space exploration

See: Outline of space exploration

Organizations

Public sector space agencies

Space agencies
Africa
North Africa
  • {{flagicon|ALG|size=15px}} Algerian Space Agency
  • {{flagicon|EGY|size=15px}} National Authority for Remote Sensing and Space Sciences
  • Egypt Remote Sensing Center
  • {{flagicon|MAR|size=15px}} Royal Centre for Remote Sensing
  • {{flagicon|TUN|size=15px}} National Remote Sensing Center
Sub-Saharan
  • {{flagicon|NGA|size=15px}} National Space Research and Development Agency
  • {{flagicon|RSA|size=15px}} South African National Space Agency
Americas
North America
  • {{flagicon|CAN|size=15px}} Canadian Space Agency
  • {{flagicon|MEX|size=15px}} Agencia Espacial Mexicana
  • {{flagicon|USA|size=15px}} United States Department of Defense (Air Force Space Command
  • National Reconnaissance Office
  • United States Army Space and Missile Defense Command
  • Transformational Communications Office
  • United States Strategic Command)
  • NASA
South America
  • {{flagicon|ARG|size=15px}} Comisión Nacional de Actividades Espaciales
  • {{flagicon|BRA|size=15px}} Brazilian Space Agency
  • Brazilian General Command for Aerospace Technology
  • National Institute for Space Research
  • Instituto Tecnológico de Aeronáutica
  • {{flagicon|CHL|size=15px}} Agencia Chilena del Espacio
  • {{flagicon|COL|size=15px}} Colombian Space Commission
  • {{flagicon|PER|size=15px}} National Commission for Aerospace Research & Development
  • {{flagicon|URU|size=15px}} Aeronautics & Space Research and Diffusion Center
  • {{flagicon|VEN|size=15px}} Agencia Bolivariana para Actividades Espaciales
  • Instituto Venezolano de Investigaciones Científicas
Asia
East Asia
  • {{flagicon|PRC|size=15px}} China Aerospace Science and Technology Corporation (China Academy of Launch Vehicle Technology
  • China Academy of Space Technology
  • China Chang Feng
  • China Aerospace Science and Technology Corporation
  • Commission for Science, Technology and Industry for National Defense)
  • China National Space Administration
  • {{flagicon|JPN|size=15px}} Japan Aerospace Exploration Agency (Institute of Space and Astronautical Science
  • National Aerospace Laboratory of Japan
  • National Space Development Agency of Japan)
  • National Institute of Information and Communications Technology
  • Institute for Unmanned Space Experiment Free Flyer
  • {{flagicon|MGL|size=15px}} National Remote Sensing Center
  • {{flagicon|PRK|size=15px}} Korean Committee of Space Technology
  • {{flagicon|KOR|size=15px}} Korea Aerospace Research Institute
  • {{flagicon|ROC|size=15px}} National Space Organization
Southeast Asia
  • {{flagicon|IDN|size=15px}} National Institute of Aeronautics and Space
  • {{flagicon|MYS|size=15px}} Malaysian National Space Agency
  • {{flagicon|PHL|size=15px}} Philippine Atmospheric, Geophysical and Astronomical Services Administration
  • {{flagicon|THA|size=15px}} Thai Ministry of Science and Technology's Space Agency
  • {{flagicon|VIE|size=15px}} Space Technology Institute
  • Vietnam Space Commission
South Asia
  • {{flagicon|BAN|size=15px}} Space Research and Remote Sensing Organization
  • {{flagicon|IND|size=15px}} Indian Space Research Organisation (Antrix Corporation
  • Department of Space)
  • {{flagicon|PAK|size=15px}} Space and Upper Atmosphere Research Commission
  • {{flagicon|SRI|size=15px}} Sri Lanka Aeronautics and Space Agency
Southwest Asia
  • {{flagicon|AZE|size=15px}} Azerbaijan National Aerospace Agency{{smallsup|1}}
  • {{flagicon|IRN|size=15px}} Iran Aviation Industries Organization
  • Iranian Space Agency
  • {{flagicon|ISR|size=15px}} Israel Space Agency
  • National Committee for Space Research
  • {{flagicon|TUR|size=15px}} TÜBİTAK UZAY
Central Asia
  • {{flagicon|KAZ|size=15px}} KazCosmos
  • Kazakh Space Research Institute{{smallsup|1}}
  • {{flagicon|TKM|size=15px}} Turkmenistan National Space Agency{{smallsup|1}}
  • {{flagicon|UZB|size=15px}} UzbekCosmos{{smallsup|1}}
Europe
  • {{flagicon|AUT|size=15px}} Austrian Space Agency
  • {{flagicon|BLR|size=15px}} Belarus Space Agency{{smallsup|1}}
  • {{flagicon|BEL|size=15px}} Belgian Institute for Space Aeronomy
  • {{flagicon|BUL|size=15px}} Bulgarian Space Agency
  • {{flagicon|CZE|size=15px}} Czech Space Office
  • {{flagicon|DEN|size=15px}} Danish National Space Center
  • esa European Cooperation for Space Standardization
  • European Space Agency
  • {{flagicon|EU|size=15px}} EUMETSAT
  • European Union Satellite Centre
  • {{flagicon|FRA|size=15px}} CNES
  • {{flagicon|GER|size=15px}} German Aerospace Center
  • {{flagicon|GRE|size=15px}} Institute for Space Applications and Remote Sensing
  • {{flagicon|HUN|size=15px}} Hungarian Space Office
  • {{flagicon|IRL|size=15px}} Space Ireland
  • {{flagicon|ITA|size=15px}} Italian Space Agency
  • {{flagicon|LTU|size=15px}} Space Science and Technology Institute{{smallsup|1}}
  • {{flagicon|LUX|size=15px}} Luxinnovation
  • {{flagicon|NLD|size=15px}} Netherlands Institute for Space Research
  • {{flagicon|NOR|size=15px}} Norwegian Space Centre
  • {{flagicon|POL|size=15px}} Space Research Centre
  • {{flagicon|POR|size=15px}} Portuguese Space Company
  • {{flagicon|ROU|size=15px}} Romanian Space Agency
  • {{flagicon|RUS|size=15px}} Russian Federal Space Agency{{smallsup|1}}
  • Russian Space Research Institute{{smallsup|1}}
  • Russian Space Forces
  • {{flagicon|URS|size=15px}} Soviet space program
  • {{flagicon|Spain|size=15px}} Instituto Nacional de Técnica Aeroespacial
  • {{flagicon|SWE|size=15px}} Swedish National Space Board
  • {{flagicon|SUI|size=15px}} Swiss Space Office
  • {{flagicon|UK|size=15px}} UK Space Agency
  • {{flagicon|UKR|size=15px}} State Space Agency of Ukraine{{smallsup|1}}
Oceania
  • {{flagicon|AUS|size=15px}} Commonwealth Scientific and Industrial Research Organisation
World
  • Asia-Pacific Space Cooperation Organization
  • Consultative Committee for Space Data Systems
  • Committee on Space Research
  • International Academy of Astronautics
  • International Telecommunications Satellite Organization
  • Intercosmos
  • Intersputnik
  • {{flagicon|Arab League|size=15px}} Pan-Arab Space Agency
  • {{flagicon|UN|size=15px}} United Nations Committee on the Peaceful Uses of Outer Space
  • United Nations Office for Outer Space Affairs
{{See also|Timeline of first orbital launches by country}}{{smallsup|1}} Preceded by the Soviet space program

Books and publications

{{Div col|colwidth=25em}}
  • Almagest
  • Astronomia Nova
  • Astronomical Journal
  • Astrophysical Journal
  • BD Catalogue
  • De Revolutionibus
  • Henry Draper Catalogue
  • Messier Catalogue
  • New General Catalogue
  • Principia
{{div col end}}

Astronomers

{{Div col|colwidth=25em}}{{See also|List of astronomers}}
  • Walter Baade
  • Friedrich Bessel
  • Tycho Brahe
  • Annie Jump Cannon
  • Alvan Clark
  • Nicholas Copernicus
  • Galileo
  • George Ellery Hale
  • William Herschel
  • Edwin Hubble
  • Jacobus Kapteyn
  • Johannes Kepler
  • Gerard Kuiper
  • Henrietta Leavitt
  • Isaac Newton
  • Edward C. Pickering
  • Ptolemy
  • Henry Norris Russell
  • Harlow Shapley
{{div col end}}

See also

{{Portal|Astronomy}}{{Div col|colwidth=25em}}
  • Asterism
  • Constellation
  • Galaxy
  • Globular cluster
  • Gravitation
  • Guest star
  • Helioseismology
  • Infrared dark cloud
  • Intergalactic star
  • Open cluster
  • Planet
  • Star cluster
  • Stellar association
  • Supercluster
{{div col end}}

References

1. ^{{cite web | title=astrophysics | publisher=Merriam-Webster, Incorporated | url=http://www.merriam-webster.com/dictionary/astrophysics | accessdate=2011-05-22 }}

External links

{{Sister project links|Astronomy}}
  • Astronomy Guide For reviews on astronomy products, how-to's and current events.
  • Astronomy Net Resources, forums (from 1995), articles on Astronomy.
  • International Year of Astronomy 2009 IYA2009 Main website
  • Cosmic Journey: A History of Scientific Cosmology from the American Institute of Physics
  • Astronomy Picture of the Day
  • Southern Hemisphere Astronomy
  • Sky & Telescope publishers
  • Astronomy Magazine
  • [https://web.archive.org/web/20070927195741/http://www.astrolink.ir/en/ Latest astronomy news in 11 languages]
  • Universe Today for astronomy and space-related news
  • Celestia Motherlode Educational site for Astronomical journeys through space
  • [https://web.archive.org/web/20061018205032/http://www.astrofind.net/ Search Engine for Astronomy]
  • Hubblesite.org - home of NASA's Hubble Space Telescope
  • Astronomy - A History - G. Forbes - 1909 (eLibrary Project - eLib Text){{dead link|date=January 2018 |bot=InternetArchiveBot |fix-attempted=yes }}
  • (historical)
  • Prof. Sir Harry Kroto, NL, Astrophysical Chemistry Lecture Series. 8 Freeview Lectures provided by the Vega Science Trust.
  • Core books and core journals in Astronomy, from the Smithsonian/NASA Astrophysics Data System
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