CZ:Astronomy Workgroup

Workgroups are no longer used for group communications, but they still are used to group articles into fields of interest. Each article is assigned to 1-3 Workgroups via the article's Metadata.

Astronomy Workgroup
Astronomy article	All articles (382)	To Approve (0)	Editors: active (0) / inactive (9) and Authors: active (108) / inactive (0)	Workgroup Discussion
	Recent changes	Citable Articles (0)
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Checklist-generated categories: Underlinked (83) Cat Check (86) Cleanup (0) Subpage categories: Definitions (371) Related Articles (358 to check 271) Bibliography (36) External Links (54) Gallery (3) Video (5)

Missing subpage categories: Definitions (3) Related Articles (2) Bibliography (3) External Links (3) Article statuses: 13 Developed (status=1) 114 Developing (status=2) 255 Stub (status=3) 1 External (status=4) 13 Advanced (status 0-1) 127 Nonstub (status 0-2) 382 Internal (status 0-3)

The Astronomy Workgroup will organize and coordinate efforts to create and improve articles relating to Astronomy. If you are interested in participating, you may add yourself to Category:Astronomy Authors, then simply dive in and begin contributing!

Please note that information below may be out-of-date.

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Core articles

Core articles are those that are as-yet unwritten and so should be prioritised. Please start articles on the topics below. Click here to edit this transcluded list.

HR Diagram: Add brief definition or description  Neutron star: the remnant of a star that had sufficient mass to explode in a supernova, but not so much mass that it forms a black hole instead of a neutron star. [e] William Herschel: Add brief definition or description Asteroid belt: Add brief definition or description Binary star: Add brief definition or description Celestial coordinates: Any of a number of reference systems designed to specify the positions of celestial objects. [e] Celestial mechanics: Study of the application of the laws of physics to the motions of planets, satellites, and other celestial objects. [e] Cepheid variable: Pulsating variable star which exhibits a relation between period of variation and absolute luminosity as a result of which they are good indicators of cosmic distances. [e] Cosmic microwave background: Add brief definition or description Cosmic rays: Add brief definition or description Eros (asteroid): Add brief definition or description Flare star: Add brief definition or description Galilean satellites: Add brief definition or description H I region: Add brief definition or description H II region: Add brief definition or description Halley's comet: Add brief definition or description Hubble constant: Add brief definition or description Magellanic Clouds: Add brief definition or description Nebula: Add brief definition or description Nova: Add brief definition or description Orion nebula: Add brief definition or description 2006 definition of planet: Add brief definition or description Extrasolar Planet: Add brief definition or description Scattered disc: Add brief definition or description Meteroid: Add brief definition or description Dust: Add brief definition or description Oort Cloud: Add brief definition or description Walter Baade: Add brief definition or description Friedrich Bessel: Add brief definition or description Planetary nebula: Add brief definition or description Pleiades: Add brief definition or description Proper motion: Add brief definition or description Pulsar: Add brief definition or description

Quasar: Add brief definition or description Solar eclipse: Add brief definition or description Solar wind: Add brief definition or description Star formation: Add brief definition or description Stellar evolution: Add brief definition or description Stellar parallax: Add brief definition or description Stellar populations: Add brief definition or description Sunspots: Add brief definition or description White dwarf: Add brief definition or description Henrietta Leavitt: Add brief definition or description Edward C. Pickering: Add brief definition or description Henry Norris Russell: Add brief definition or description Harlow Shapley: Add brief definition or description European Space Agency: Add brief definition or description Royal Astronomical Society: Add brief definition or description Palomar Observatory: Add brief definition or description Annie Jump Cannon: Add brief definition or description Alvan Clark: Add brief definition or description George Ellery Hale: Add brief definition or description Edwin Hubble: Add brief definition or description Gerard Kuiper: Add brief definition or description

Articles

Click on the [r] after the first definition below to edit this list of transcluded subtopics.

• Astronomy [r]: Add brief definition or description

Parent Topics

• Science [r]: Add brief definition or description
• Physics [r]: Add brief definition or description

Subtopics

• Astrophysics [r]: Add brief definition or description
• Amateur Astronomy [r]: Add brief definition or description
• History of astronomy [r]: Add brief definition or description

Subdisciplines

• Planetary science [r]: Add brief definition or description
• Stellar astronomy [r]: Add brief definition or description
• Galactic astronomy [r]: Add brief definition or description
• Extragalactic astronomy [r]: Add brief definition or description
• Cosmology [r]: Add brief definition or description

High priority articles

In the list of articles below, the existence of an approved version is indicated by underlining.

If you begin work on one of the articles from the list below, please be sure to add the article to the Astronomy Workgroup Top list (add [[Category:Astronomy Workgroup (Top)]] at the bottom of the article's page).

If you want to import one of these articles from Wikipedia, please read How to convert Wikipedia articles to Citizendium articles first. In particular, please do not import WP articles unless you plan or beginning work on them "within the hour" as the article says.

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 | 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

• 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 | 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 | 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 | 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 | ISS | Voyager

Measuring

• Space: Astronomical Unit | Light year | Parsec
• Time: Calendar

Organizations

AAVSO | AURA | IAU | ESA | NASA | 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