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Dictionary of Astronomy Companion Website

Astronomy

Illustrations

Author's website

Please follow this link to find a list of addenda and corrigenda on the author’s personal website:
http://www.ianridpath.com/books/oxforddictionary.htm

Web links

Here is a list of recommended web links, arranged alphabetically by the relevant dictionary entries:

A B C D E F G H I J K L M N O P R S T U V W X Y Z

A  Top

Abell catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?VII/110A
Detailed description and full catalogue downloadable from the CDS.

Advanced Composition Explorer
http://www.srl.caltech.edu/ACE/
Official mission website.

Advanced Technology Solar Telescope
http://atst.nso.edu
Official telescope website.

Agile
http://agile.rm.iasf.cnr.it
Official mission website.

AGK
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/61B
Detailed description and full catalogue downloadable from the CDS.

Alexis
http://imagine.gsfc.nasa.gov/docs/sats_n_data/missions/alexi...
Mission summary at NASA’s Imagine the Universe.

Algonquin Radio Observatory
http://www.arocanada.com
Official observatory website.

Allegheny Observatory
http://www.pitt.edu/~aobsvtry
Official observatory website.

Allen Telescope Array
http://www.seti.org/ata
Official telescope website.

American Association of Variable Star Observers
http://www.aavso.org
Official website.

American Astronomical Society
http://www.aas.org
Official website.

Ames Research Center
http://www.nasa.gov/centers/ames/home/index.html
Official website.

Anglo-Australian Telescope
http://www.aao.gov.au/AAO/about/aat.html
Official telescope website.

Apache Point Observatory
http://www.apo.nmsu.edu
Official observatory website.

Arecibo Observatory
http://www.naic.edu
Official observatory website.

Arend-Roland, Comet
http://cometography.com/lcomets/1956r1.html
Information page at Cometography website.

Ariel satellites
http://heasarc.gsfc.nasa.gov/docs/ariel5/ariel5.html
Information page at Goddard Space Flight Center.

Aristarchos Telescope
http://www.astro.noa.gr/helmos
Official telescope website.

Arizona Radio Observatory
http://aro.as.arizona.edu
Official observatory website.

ASCA
http://heasarc.gsfc.nasa.gov/docs/asca
Information page at Goddard Space Flight Center.

Association of Universities for Research in Astronomy
http://www.aura-astronomy.org
Official website. This link no longer works and we are unable to find a suitable alternative.

asteroid
http://ssd.jpl.nasa.gov/sbdb.cgi
Small-body Database Browser at NASA's Jet Propulsion Laboratory. Find orbital and physical data for any known asteroid.

astrobleme
http://www.passc.net/EarthImpactDatabase/index.html
Database of terrestrial impact structures.

Astrographic Catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/275
Detailed description and full catalogue downloadable from the CDS.

Astronomical Almanac
http://asa.hmnao.com
UK official site. Some free online content.
http://asa.usno.navy.mil
US official site. Some free online content.

Astronomical Journal
http://iopscience.iop.org/1538-3881
Official website with contents and abstracts of recent issues and free online access to older issues.

Astronomical Netherlands Satellite
http://heasarc.gsfc.nasa.gov/docs/ans/ans.html
Information page at Goddard Space Flight Center.

Astronomical Society of the Pacific
http://www.astrosociety.org
Official website.

Astronomy and Astrophysics
http://www.aanda.org
Official website with contents and abstracts of recent issues and free online access to older issues.

Astrophysical Journal
http://iopscience.iop.org/0004-637X
Official website with contents and abstracts of recent issues and free online access to older issues.

Astrophysics Data System
http://adsabs.harvard.edu/index.html
Official ADS wesbite, allowing search of their digital library.

ASTROSAT
http://astrosat.iucaa.in/
Official mission website.

Atacama Cosmology Telescope (ACT)
http://www.physics.princeton.edu/act
Official telescope website.

Atacama Large Millimeter Array
http://www.almaobservatory.org
Official telescope website.
https://science.nrao.edu/facilities/alma
Information page at NRAO.

Atacama Pathfinder Experiment (APEX)
http://www.apex-telescope.org
Official telescope website.

Atacama Submillimeter Telescope Experiment
http://www.das.uchile.cl/astechile/ASTEinicio.html
Official telescope website.

Aurora
http://www.esa.int/SPECIALS/Aurora/index.html
ESA mission website.

Australian Astronomical Observatory
http://www.aao.gov.au
Official observatory website.

Australian Square Kilometre Array Pathfinder (ASKAP)
http://www.atnf.csiro.au/projects/askap
Official telescope website.

Australia Telescope National Facility
http://www.atnf.csiro.au
Official telescope website.

 

B  Top

Bennett, Comet
http://cometography.com/lcomets/1969y1.html
Information page at Cometography website.

BepiColombo
http://sci.esa.int/bepicolombo
ESA mission website.

Bepposax
http://www.asdc.asi.it/bepposax
Official mission website.

Biela, comet
http://cometography.com/pcomets/003d.html
Information page at Cometography website.

Big Bear Solar Observatory
http://www.bbso.njit.edu
Official observatory website.

Birmingham Solar Oscillations network
http://bison.ph.bham.ac.uk/index.php?page=bison,background
Official BISON website.

Bonner Durchmusterung
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/122
Detailed description and full catalogue downloadable from the CDS.

Boss General Catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/113A
Detailed description and full catalogue downloadable from the CDS.

Bright Star Catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?V/50
Detailed description and full catalogue downloadable from the CDS.
http://cdsarc.u-strasbg.fr/viz-bin/Cat?V/36B
Catalogue supplement, downloadable from the CDS.

British Astronomical Association
http://www.britastro.org/baa
Official BAA website.

Butterfly diagram
http://solarscience.msfc.nasa.gov/images/bfly.gif
Regularly updated version of the diagram from NASA's Marshall Space Flight Center.

Byurakan Astrophysical Observatory
http://www.bao.am
Official observatory website.

 

C  Top

Calar Alto Observatory
http://www.caha.es
Official observatory website.

Caltech Submillimeter Obs
http://cso.caltech.edu/
Official telescope website.

Cambridge Optical Aperture Synthesis Telescope
http://www.mrao.cam.ac.uk/telescopes/coast
Official telescope website.

Canada-France-Hawaii Telescope
http://www.cfht.hawaii.edu
Official telescope website.

Cape Photographic Durchmusterung
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/108
Detailed description and full catalogue downloadable from the CDS.

Carnegie Observatories
http://obs.carnegiescience.edu
Official observatory website.

Cassini-Huygens
http://saturn.jpl.nasa.gov/home/index.cfm
Official mission website.
http://www.esa.int/Our_Activities/Space_Science/Cassini-Huygens
ESA mission website.

Catalina Sky Survey
http://www.lpl.arizona.edu/css
Official project website.

Central Bureau for Astronomical Telegrams
http://www.cbat.eps.harvard.edu/index.html
Official website.

Centre de Donnees astronomiques de Strasbourg
http://cdsweb.u-strasbg.fr
Official website with searchable content.

Cerro Chajnantor Atacama Telescope
http://www.ccatobservatory.org/index.cfm
Official telescope website.

Cerro Tololo Inter-American Observatory
http://www.ctio.noao.edu
Official observatory website.

Chandra X-ray Observatory
http://chandra.harvard.edu
Official mission website.

Chandrayaan-1
http://www.isro.org/satellites/chandrayaan-1.aspx
Official mission website.

CHARA array
http://www.chara.gsu.edu/CHARA
Official telescope website.

Chiron
http://cometography.com/pcomets/095p.html
Information page at Cometography website.

Clementine
http://www.nrl.navy.mil/clementine2
Official mission website.

Cluster
http://sci.esa.int/cluster
ESA mission website.

Combined Array for Research in Millimeter-wave Astronomy
http://www.mmarray.org
Official telescope website.

Compton Gamma-Ray Observatory
http://cossc.gsfc.nasa.gov/docs/cgro
Official mission website.

constellations
http://www.iau.org/public/themes/constellations/
International Astronomical Union official page on the constellations.
http://www.iau.org/public/themes/constellations/
History and mythology of the constellations.

Copernicus satellite
http://heasarc.gsfc.nasa.gov/docs/copernicus/copernicus.html
Information page at Goddard Space Flight Center.

Cordoba Durchmusterung
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/114
Detailed description and full catalogue downloadable from the CDS.

COROT
http://sci.esa.int/science-e/www/area/index.cfm?fareaid=39
ESA mission website.
http://smsc.cnes.fr/COROT
Official mission website.

COS-B
http://sci.esa.int/cos-b/31447-summary/
ESA mission website.

Cosmic Background Explorer
http://lambda.gsfc.nasa.gov/product/cobe
Official mission website.

COSPAR
https://www.cospar-assembly.org/
Official website.

Curiosity
http://www.nasa.gov/mission_pages/msl/index.html
Official mission website.

 

D  Top

David Dunlap Observatory
http://www.theddo.ca
Official observatory website.

Dawn
http://dawn.jpl.nasa.gov
Official mission website.

Deep Impact
http://deepimpact.umd.edu
Official mission website.

Deep Space Network
http://deepspace.jpl.nasa.gov/dsn
Official website.

Deep Space 1
http://nmp.jpl.nasa.gov/ds1
Official mission website.

Discovery Channel Telescope
http://www.lowell.edu/dct.php
Official telescope website.

Discovery program
http://discovery.nasa.gov
Official Discovery program website.

Dominion Astrophysical Observatory
http://archive.nrc-cnrc.gc.ca/eng/facilities/hia/astrophysic...
Official observatory website.

Dominion Radio Astrophysical Observatory
http://archive.nrc-cnrc.gc.ca/eng/facilities/hia/radio-astro...
Official observatory website.

Double Star
http://sci.esa.int/double-star/
ESA mission website.

 

E  Top

eclipses
http://eclipse.gsfc.nasa.gov/eclipse.html
NASA eclipse website.

Effelsberg Radio Observatory
http://www.mpifr-bonn.mpg.de/8964/effelsberg
Official observatory website.

Einstein Observatory
http://heasarc.gsfc.nasa.gov/docs/einstein/heao2.html
Information page at Goddard Space Flight Center.

Encke, comet
http://cometography.com/pcomets/002p.html
Information page at Cometography website.

EPOXI
http://epoxi.umd.edu
Official mission website.

European Extremely Large Telescope
http://www.eso.org/public/teles-instr/e-elt.html
Official telescope website.

European Northern Observatory
http://www.iac.es/eno.php?lang=en
Official observatory website.

European Southern Observatory
http://www.eso.org
Official observatory website.

European Space Agency
http://www.esa.int
Official ESA website.

European VLBI Network
http://www.evlbi.org
Official EVLBI website.

ExoMars
http://exploration.esa.int/mars/46048-programme-overview/
ESA mission website.

Exosat
http://sci.esa.int/exosat/31189-summary/
ESA mission website.

Explorer
http://explorers.gsfc.nasa.gov
Official Explorer program website.

extrasolar planet
http://exoplanet.eu
Extrasolar planets encyclopedia, regularly updated
http://planetquest.jpl.nasa.gov
NASA website on exoplanets, regularly updated.

Extreme Ultraviolet Explorer
http://heasarc.gsfc.nasa.gov/docs/euve/euve.html
Information page at Goddard Space Flight Center.

 

F  Top

Far Ultraviolet Spectroscopic Explorer
http://fuse.pha.jhu.edu
Official mission website.

Fast Auroral Snapshot Explorer
http://sprg.ssl.berkeley.edu/fast
Official mission website.

Faulkes Telescopes
http://faulkes-telescope.com
Official telescopes website.

Fermi Gamma-ray Space Telescope
http://fermi.gsfc.nasa.gov
Official mission website.
http://www.nasa.gov/mission_pages/GLAST/spacecraft/index.html
NASA mission page.

FK
http://cdsarc.u-strasbg.fr/viz-bin/Cat?cat=I%2F264
Detailed description and full catalogue downloadable from the CDS.

Fred Lawrence Whipple Observatory
http://linmax.sao.arizona.edu/help/FLWO/whipple.html
Official observatory website.

 

G  Top

Gaia
http://sci.esa.int/gaia/
ESA mission website.

Galaxy
http://www.nasa.gov/mission_pages/spitzer/news/spitzer-20080...
New view of the structure of the Galaxy from the Spitzer Space Telescope.

Galaxy Evolution Explorer
http://www.galex.caltech.edu
Official mission website.

Galileo mission
http://solarsystem.nasa.gov/galileo/
Official mission website.

Gemini Observatory
http://www.gemini.edu/about
Official observatory website.

General Catalogue of Variable Stars
http://www.sai.msu.su/gcvs/gcvs
Official catalogue website with downloadable data, regularly updated.

Genesis
http://genesismission.jpl.nasa.gov
Official mission website.

Giacobini-Zinner, comet
http://cometography.com/pcomets/021p.html
Information page at Cometography website.

Giant Magellan Telescope
http://www.gmto.org
Official telescope website.

Giant Metrewave Radio Telescope
http://www.gmrt.ncra.tifr.res.in
Official telescope website.

Ginga
http://heasarc.gsfc.nasa.gov/docs/ginga/ginga.html
Information page at Goddard Space Flight Center.

Giotto
http://sci.esa.int/giotto/31716-summary/
ESA mission website.

Global Oscillation Network Group
http://gong.nso.edu
Official GONG website.

globular cluster
http://www.physics.mcmaster.ca/~harris/mwgc.dat
Database of known globular clusters.

Goddard Space Flight Center
http://www.nasa.gov/centers/goddard/home/index.html
Official website.

GRANAT
http://heasarc.gsfc.nasa.gov/docs/granat/granat.html
Information page at Goddard Space Flight Center.

Gran Telescopio Canarias
http://www.gtc.iac.es/
Official telescope website.

Gravity and Extreme Magnetism Explorer (GEMS)
http://science1.nasa.gov/missions/gems/
Mission page at Goddard Space Flight Center.

Gravity Probe B
http://einstein.stanford.edu
Official mission website.

Gravity Recovery and Interior Laboratory (GRAIL)
http://moon.mit.edu
Official mission website.

Great September comet
http://cometography.com/lcomets/1882r1.html
Information page at Cometography website.

Green Bank Telescope
https://science.nrao.edu/facilities/gbt
Official telescope website.

Grigg-Skjellerup, comet
http://cometography.com/pcomets/026p.html
Information page at Cometography website.

 

H  Top

Hakucho
http://heasarc.gsfc.nasa.gov/docs/hakucho/hakucho.html
Information page at Goddard Space Flight Center.

Hale-Bopp, comet
http://cometography.com/lcomets/1995o1.html
Information page at Cometography website.

Halley, comet
http://cometography.com/pcomets/001p.html
Information page at Cometography website.

Hartebeesthoek Radio Observatory
http://www.hartrao.ac.za
Official observatory website.

Harvard College Observatory
http://www.cfa.harvard.edu/hco
Official observatory website.

Harvard-Smithsonian Center for Astrophysics
http://www.cfa.harvard.edu/
Official CFA website.

Hat Creek Radio Observatory
http://www.hcro.org
Official observatory website.

Haute Provence Observatory
http://www.obs-hp.fr
Official observatory website.

Hayabusa
http://www.isas.jaxa.jp/e/enterp/missions/hayabusa/index.shtml
Official mission website.

Haystack Observatory
http://www.haystack.mit.edu
Official observatory website.

Henry Draper Catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?cat=III/135
Detailed description and full catalogue downloadable from the CDS.

Herschel-Rigollet, comet
http://cometography.com/pcomets/035p.html
Information page at Cometography website.

Herschel Space Observatory
http://sci.esa.int/herschel
ESA mission website.

High Energy Astrophysical Observatory
http://heasarc.gsfc.nasa.gov/docs/heao1/heao1.html
Information page on HEAO 1 at Goddard Space Flight Center.
http://heasarc.gsfc.nasa.gov/docs/einstein/heao2.html
Information page on HEAO 2 at Goddard Space Flight Center.
http://heasarc.gsfc.nasa.gov/docs/heao3/heao3.html
Information page on HEAO 3 at Goddard Space Flight Center.

High-Energy Transient Explorer
http://heasarc.gsfc.nasa.gov/docs/hete2
Mission page at Goddard Space Flight Center.

Hinode
http://hinode.nao.ac.jp/index_e.shtml
Hinode science centre website.
http://www.isas.jaxa.jp/e/enterp/missions/hinode/index.shtml
Mission website at Japan Aerospace Exploration Agency.

Hipparcos
http://sci.esa.int/hipparcos
ESA mission website.

Hipparcos Catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/239
Detailed description and full catalogue downloadable from the CDS.
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/311
New reduction of the Hipparcos catalogue, downloadable from the CDS.

Hobby Eberly Telescope
http://www.as.utexas.edu/mcdonald/het/het.html
Official telescope website.

Hubble Space Telescope
http://www.nasa.gov/mission_pages/hubble/main/index.html
Official mission website.

Huygens probe
http://www.esa.int/Our_Activities/Space_Science/Cassini-Huygens
ESA mission website.

Hyakutake, Comet
http://cometography.com/lcomets/1996b2.html
Information page at Cometography website.

 

I  Top

Ikeya-Seki
http://cometography.com/lcomets/1965s1.html
Information page at Cometography website.

Ikeya-Zhang
http://cometography.com/pcomets/153p.html
Information page at Cometography website.

Imager for Magnetopause to Aurora Global Exploration
http://image.gsfc.nasa.gov
Official mission website.

Index Catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?VII/118
Detailed description and full catalogue downloadable from the CDS. This link no longer works and we are unable to find a suitable alternative.
http://www.ngcicproject.org/ngciccat.htm
The original catalogue online.

Infrared Astronomical Satellite (IRAS)
http://irsa.ipac.caltech.edu/IRASdocs/iras.html
Mission website at CalTech.

Infrared Space Observatory
http://sci.esa.int/iso/33310-summary/
ESA mission website.

Institut de Radio Astronomie Millimetrique
http://www.iram-institute.org/
Official observatory website.

Interface Region Imaging Spectrograph (IRIS)
http://iris.lmsal.com/index.htm
Official mission website.

International Astronomical Union
http://www.iau.org
Official IAU website.

International Celestial Reference System
http://aa.usno.navy.mil/faq/docs/ICRS_doc.php
Information page at the US Naval Observatory.

International Gamma-Ray Astrophysics Laboratory
http://sci.esa.int/integral/31149-summary/
ESA mission website.

International Liquid Mirror Telescope
http://www.aeos.ulg.ac.be/LMT
Official telescope website.

International Sunspot Number
http://www.sidc.oma.be/index.php
Solar Influences Data Analysis Center.

International Ultraviolet Explorer
http://sci.esa.int/iue/31284-summary/
ESA mission website.

Interstellar Boundary Explorer (IBEX)
http://www.ibex.swri.edu/mission/index.shtml
Official mission website.

Isaac Newton Group
http://www.ing.iac.es
Official observatory website.

 

J  Top

James Clerk Maxwell Telescope
http://www.jach.hawaii.edu/JCMT
Official telescope website.

James Webb Space Telescope
http://jwst.gsfc.nasa.gov
Official mission website.

Jet Propulsion Laboratory
http://www.nasa.gov/centers/jpl/home/index.html
Official website.

Jodrell Bank Observatory
http://www.jb.man.ac.uk
Official observatory website.

Johnson Space Center
http://www.nasa.gov/centers/johnson/home/index.html
Official website.

Joint Astronomy Centre
http://www.jach.hawaii.edu
Official JAC website.

Juno -- Jupiter polar orbiter
http://www.nasa.gov/mission_pages/juno/main/index.html
Official mission website.

 

K  Top

Kaguya
http://www.jaxa.jp/projects/sat/selene/index_e.html
Official mission website.
http://www.isas.jaxa.jp/e/enterp/missions/kaguya/index.shtml
Mission overview at Japan Aerospace Exploration Agency.

Karoo Array Telescope
http://www.ska.ac.za/meerkat
Official telescope website.

Kennedy Space Center
http://www.nasa.gov/centers/kennedy/home/index.html
Official website.

Kepler
http://kepler.nasa.gov
Official mission website.

Kitt Peak National Observatory
http://www.noao.edu/kpno
Official observatory website.

Kohoutek, comet
http://cometography.com/pcomets/075p.html
Information page at Cometography website.

 

L  Top

Large Binocular Telescope
http://www.lbto.org/index.htm
Official telescope website.

Large Millimeter Telescope
http://www.lmtgtm.org
Official telescope website.

Large Synoptic Survey Telescope
http://www.lsst.org
Official telescope website.

Las Campanas Observatory
http://www.lco.cl/lco
Official observatory website.

Laser Interferometer Space Antenna
http://lisa.nasa.gov
Official mission website.

La Silla Observatory
http://www.eso.org/public/teles-instr/lasilla.html
Official observatory website.
http://www.ls.eso.org/index.html
Facilities at La Silla Observatory.

Lexell, comet
http://cometography.com/pcomets/1770l1.html
Information page at Cometography website.

Lick Observatory
http://mthamilton.ucolick.org
Official observatory website.

Lincoln Near-Earth Asteroid Research
http://www.ll.mit.edu/mission/space/linear
Official project website.

LISA Pathfinder
http://sci.esa.int/lisa-pathfinder/
ESA mission website.

Liverpool Telescope
http://telescope.livjm.ac.uk
Official telescope website.

Long Wavelength Array (LWA)
http://lwa.phys.unm.edu/index.html
Official telescope website.

lookback time
http://www.astro.ucla.edu/~wright/CosmoCalc.html
Online calculator for converting redshift to lookback time and other parameters.

Lowell Observatory
http://www.lowell.edu
Official observatory website.

Lowell Observatory Near Earth Object Search
http://www.lowell.edu/rsch/programs.php?p=bowell
Official project website.

Low Frequency Array
http://www.lofar.org
Official telescope website.

Lunar Atmosphere and Dust Environment Explorer (LADEE)
http://www.nasa.gov/mission_pages/LADEE/main/
NASA information page.

lunar eclipse
http://www.mreclipse.com/Special/LEprimer.html
Lunar eclipse predictions, reports, and information.

Lunar Prospector
http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1998-...
NASA information page.

Lunar Reconnaissance Orbiter
http://lro.gsfc.nasa.gov
Official mission website.

 

M  Top

Magdalena Ridge Observatory
http://www.mro.nmt.edu
Official observatory website.

Magellan
http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1989-...
NASA information page.
http://www2.jpl.nasa.gov/magellan
Mission website at JPL.

Magellan Telescopes
http://obs.carnegiescience.edu/Magellan
Official telescope website.
http://www.lco.cl/telescopes-information/magellan
Information page at Las Campanas Observatory.

Magnetospheric Multiscale Mission (MMS)
http://mms.space.swri.edu
Official mission website.
http://mms.gsfc.nasa.gov/
Mission website at Goddard Space Flight Center.

Major Atmospheric Gamma-ray Imaging Cherenkov telescopes
https://wwwmagic.mpp.mpg.de/
Official telescopes website.

Mars Atmosphere and Volatile Evolution
http://www.nasa.gov/mission_pages/maven/main/index.html
Official mission website.
http://lasp.colorado.edu/maven
Mission page at University of Colorado.

Mars Exploration Rover
http://marsrovers.jpl.nasa.gov/home/index.html
Official mission website.

Mars Express
http://sci.esa.int/mars-express/

http://www.esa.int/Our_Activities/Space_Science/Mars_Express
ESA mission website.

Mars Global Surveyor
http://mars.jpl.nasa.gov/mgs
Official mission website.

Marshall Space Flight Center
http://www.nasa.gov/centers/marshall/home/index.html
Official website.

Mars Odyssey
http://mars.jpl.nasa.gov/odyssey
Official mission website.

Mars Pathfinder
http://mars.jpl.nasa.gov/MPF/index1.html
Official mission website.

Mars Reconnaissance Orbiter
http://mars.jpl.nasa.gov/mro
Official mission website.

Mars Science Laboratory
http://mars.jpl.nasa.gov/msl
Official mission website.

Mauna Kea Observatories
http://www.ifa.hawaii.edu/mko
Official observatory website.

McDonald Observatory
http://www.as.utexas.edu/mcdonald/mcdonald.html
Official observatory website.

Mcnaught, comet
http://cometography.com/lcomets/2006p1.html
Information page at Cometography website.

MDM Observatory
http://www.astro.lsa.umich.edu/obs/mdm
Official observatory website.

Mercury Surface, Space Environment, Geochemistry and Ranging
http://messenger.jhuapl.edu
Official mission website.
http://www.nasa.gov/mission_pages/messenger/main
Mission page at NASA.

Meteor Crater
http://www.meteorcrater.com
Meteor Crater Visitor Center and information website.

meteorite
http://www.metbase.de/home.html
Meteorite information database.

Microvariabiity and Oscillations of Stars
http://www.asc-csa.gc.ca/eng/satellites/most/default.asp
Mission page at Canadian Space Agency.
http://most.astro.ubc.ca/
Official mission website.

Midcourse Space Experiment
http://sd-www.jhuapl.edu/MSX
Official mission website.

Minor Planet Center
http://minorplanetcenter.org/iau/mpc.html
Official website, with links to many information pages on minor planets.

MMT Observatory
http://www.mmto.org
Official observatory website.

Molonglo Radio Observatory
http://www.physics.usyd.edu.au/sifa/Main/MOST
Official observatory website.

Monitoring Network of Telescopes
http://monet.uni-goettingen.de
Official MONET website.

Monthly Notices of the Royal Astronomical Society
https://academic.oup.com/mnras
Official website with contents and abstracts of recent issues and free online access to older issues.

Mopra Observatory
http://www.narrabri.atnf.csiro.au/mopra
Official observatory website.

Mount Graham International Observatory
http://mgpc3.as.arizona.edu
Official observatory website.

Mount Stromlo and Siding Spring Observatories
http://rsaa.anu.edu.au/observatories
Official observatory website.

Mount Wilson Observatory
http://www.mtwilson.edu
Official observatory website.

Mullard Radio Astronomy Observatory
http://www.mrao.cam.ac.uk/outreach/
Official observatory website.

Multi-Element Radio-Linked Interferometer Network
http://www.e-merlin.ac.uk
Official MERLIN website.

Murchison Radio Astronomy Observatory
http://www.atnf.csiro.au/projects/askap/site.html
Official observatory website.

Murchison Widefield Array
http://www.mwatelescope.org
Official telescope website.

 

N  Top

Nancay Radio Astronomy Observatory
http://www.obs-nancay.fr
Official observatory website.

NASA Infrared Telescope Facility
http://irtfweb.ifa.hawaii.edu
Official telescope website.

National Aeronautics and Space Administration
http://www.nasa.gov
Official website.

National Optical Astronomy Observatory
http://www.noao.edu
Official NOAO website.

National Radio Astronomy Observatory
http://www.nrao.edu
Official NRAO website.

National Solar Observatory
http://www.nso.edu
Official observatory website.

National Space Science Data Center
http://nssdc.gsfc.nasa.gov
Official website, with links to many information pages on spacecraft and space exploration.

Nautical Almanac
https://www.gov.uk/government/organisations/hm-nautical-alma...
Official website.

NEAR Shoemaker
http://near.jhuapl.edu
Official mission website.

New Frontiers program
http://discoverynewfrontiers.nasa.gov/index.cfml
Official New Frontiers program website.

New General Catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?VII/118
Detailed description and full catalogue downloadable from the CDS. This link no longer works and we are unable to find a suitable alternative.
http://www.ngcicproject.org/ngciccat.htm
The original catalogue online.

New Horizons
http://pluto.jhuapl.edu
Official mission website.

New Millennium Program
http://nmp.nasa.gov
Official New Millennium Program website.

New Technology Telescope
http://www.eso.org/sci/facilities/lasilla/telescopes/ntt/ind...
Official telescope website.

Nobeyama Radio Observatory
http://www.nro.nao.ac.jp/indextop-e.html
Official observatory website.

Nordic Optical Telescope
http://www.not.iac.es
Official telescope website.

NuSTAR
http://www.nustar.caltech.edu
Official mission website.

 

O  Top

Observatoire du Mont Megantic
http://omm.craq-astro.ca/index_en.php
Official observatory website.

Onsala Space Observatory
http://www.chalmers.se/rss/oso-en
Official observatory website.

Ootacamund Radio Astronomy Centre
http://rac.ncra.tifr.res.in/
Official telescope website.

open cluster
http://www.astro.iag.usp.br/~wilton
Database of open clusters.

Orbiting Astronomical Observatory
http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1968-...
NASA information page for OAO 2.
http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1972-...
NASA information page for OAO 3.

Owens Valley Radio Observatory
http://www.ovro.caltech.edu
Official observatory website.

 

P  Top

Palomar Observatory
http://www.astro.caltech.edu/palomar
Official observatory website.

Palomar Observatory Sky Survey
http://gsss.stsci.edu/SkySurveys/SkySurveys.htm
Information and data retrieval page.

Pan-STARRS
http://pan-starrs.ifa.hawaii.edu
Official telescope website.

Paranal Observatory
http://www.eso.org/public/teles-instr/vlt.html
Official observatory website.

Paris Observatory
http://www.obspm.fr
Official observatory website.

Parkes Observatory
http://www.parkes.atnf.csiro.au
Official observatory website.

Paul Wild Observatory
http://www.narrabri.atnf.csiro.au
Official observatory website.

Phobos probes
http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1988-...
NASA information page for Phobos 1.
http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1988-...
NASA information page for Phobos 2.

Phoenix (Mars mission)
http://phoenix.lpl.arizona.edu
Official mission website.

PICARD
http://smsc.cnes.fr/PICARD
Official mission website.

Pic du Midi Observatory
http://www.picdumidi.com/
Official observatory website.

Pioneer 10, 11
http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1972-...
NASA information page for Pioneer 10.
http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1973-...
NASA information page for Pioneer 11.

Planck
http://sci.esa.int/planck/
ESA mission website.

Potentially Hazardous Asteroid
http://neo.jpl.nasa.gov/neo/groups.html
NASA information page.

PPM star catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/146
Detailed description and full catalogue of PPM North downloadable from the CDS.
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/193
Detailed description and full catalogue of PPM South downloadable from the CDS.
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/208
Supplement to the PPM Catalogue downloadable from the CDS.

Publications of the Astronomical Society of the Pacific
http://www.journals.uchicago.edu/PASP
Official website with contents and abstracts of recent issues and free online access to older issues.

pulsar
http://www.atnf.csiro.au/research/pulsar/psrcat
Searchable database of all known pulsars, regularly updated.

 

R  Top

RadioAstron
http://www.asc.rssi.ru/radioastron/index.html
Official mission website.

Ramaty High-Energy Solar-Spectroscopic Imager
http://hesperia.gsfc.nasa.gov/hessi
Official mission website.

Ranger probes
http://nssdc.gsfc.nasa.gov/planetary/lunar/ranger.html
NASA information page.

RATAN-600
http://www.sao.ru/ratan
Official telescope website.

redshift
http://www.astro.ucla.edu/~wright/CosmoCalc.html
Online calculator for converting redshift to lookback time and other parameters.

ring, planetary
http://planetarynames.wr.usgs.gov/Page/Rings
Names and data of planetary rings.

Roque de los Muchachos Observatory
http://www.iac.es/gabinete/orm/indice.html
Official observatory website.

Rosat
http://heasarc.gsfc.nasa.gov/docs/rosat/rosat.html
Information page at Goddard Space Flight Center.

Rosetta
http://sci.esa.int/rosetta
ESA mission website.

Rossi X-ray Timing Explorer
http://heasarc.gsfc.nasa.gov/docs/xte/rxte.html
Information page at Goddard Space Flight Center.

Royal Astronomical Society
http://www.ras.org.uk
Official website.

Royal Observatory Edinburgh
http://www.roe.ac.uk
Official observatory website.

 

S  Top

Sacramento Peak Observatory
http://nsosp.nso.edu
Official observatory website.

Schwassman-Wachmann 1, comet
http://cometography.com/pcomets/029p.html
Information page at Cometography website.

Search for Extraterrestrial Intelligence
http://www.seti.org
Official SETI Institute website.

Shoemaker-Levy, comet
http://cometography.com/pcomets/1993f2.html
Information page at Cometography website.

Siding Spring Observatory
http://rsaa.anu.edu.au/observatories/siding-spring-observatory
Official observatory web page.

SIMBAD
http://simbad.u-strasbg.fr/simbad
Online portal to SIMBAD astronomical database.

Sloan Digital Sky Survey
http://www.sdss.org
Official project website with many images.

Small Astronomy Satellite
http://heasarc.gsfc.nasa.gov/docs/uhuru/uhuru.html
Information page on SAS 1 at Goddard Space Flight Center.
http://heasarc.gsfc.nasa.gov/docs/sas2/sas2.html
Information page on SAS 2 at Goddard Space Flight Center.
http://heasarc.gsfc.nasa.gov/docs/sas3/sas3.html
Information page on SAS 3 at Goddard Space Flight Center.

SMART-1
http://sci.esa.int/smart-1/31407-summary/
ESA mission website.

Smithsonian Astrophysical Observatory
http://www.cfa.harvard.edu/sao/index.html
Official observatory website.

Smithsonian Astrophysical Observatory Star Catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/131A
Detailed description and full catalogue downloadable from the CDS.

Solar and Heliospheric Observatory
http://sohowww.nascom.nasa.gov
Official mission website.

Solar Dynamics Observatory
http://sdo.gsfc.nasa.gov
Official mission website.

solar eclipse
http://www.mreclipse.com/Special/SEprimer.html
Solar eclipse predictions, reports, and information.

Solar Orbiter
http://sci.esa.int/solarorbiter
Official mission website.

Solar Terrestrial Relations Observatory
http://stereo.gsfc.nasa.gov
Official mission website.
http://www.nasa.gov/mission_pages/stereo/main
Mission page at NASA.

South African Astronomical Observatory
http://www.saao.ac.za
Official observatory website.

Southern African Large Telescope
http://www.salt.ac.za
Official telescope website.

Southern Astrophysical Research Telescope
http://www.soartelescope.org
Official telescope website.

Southern Reference stars
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/138
Detailed description and full catalogue downloadable from the CDS.

South Pole Telescope (SPT)
http://pole.uchicago.edu
Official telescope website.

Space Telescope Science Institute
http://www.stsci.edu
Official website.

Spacewatch
http://spacewatch.lpl.arizona.edu
Official project website.

space weather
http://www.esa-spaceweather.net/spweather/BACKGROUND/index.html
Space weather information at ESA.
http://www.swpc.noaa.gov
Space Weather Prediction Center.

Special Astrophysical Observatory
http://www.sao.ru/Doc-en
Official observatory website.

Spectrum-Roentgen-Gamma
http://hea.iki.rssi.ru/SRG/en/index.php
Official mission website.

Spitzer Space Telescope
http://www.spitzer.caltech.edu
Official mission website.

Square Kilometre Array
http://www.skatelescope.org
Official telescope website.

Stardust
http://stardust.jpl.nasa.gov
Official Stardust website.
http://stardustnext.jpl.nasa.gov
Stardust-NEXT website.

Steward Observatory
http://www.as.arizona.edu
Official observatory website.

Stratospheric Observatory for Infrared Astronomy
http://www.sofia.usra.edu
Official telescope website.

Subaru Telescope
http://www.subarutelescope.org
Official telescope website.

Submillimeter Array
http://www.cfa.harvard.edu/sma
Official telescope website.

Submillimeter Wave Astronomy Satellite
http://www.cfa.harvard.edu/swas
Official mission website.

supernova
http://www.cbat.eps.harvard.edu/lists/Supernovae.html
Database of all known supernovae, regularly updated.

Suzaku
http://www.isas.jaxa.jp/e/enterp/missions/suzaku/index.shtml
Official mission website.
http://heasarc.gsfc.nasa.gov/docs/astroe/astroe2.html
Information page at Goddard Space Flight Center.

Swift
http://swift.gsfc.nasa.gov/docs/swift/swiftsc.html
Official mission website.
http://heasarc.gsfc.nasa.gov/docs/swift/swift.html
Information page at Goddard Space Flight Center.

Swift-Tuttle, comet
http://cometography.com/pcomets/109p.html
Information page at Cometography website.

 

T  Top

Tebbut, comet
http://cometography.com/lcomets/1861j1.html
Information page at Cometography website.

Teide Observatory
http://www.iac.es/ot/indice.html
Official observatory website.

Telescopio Nazionale Galileo
http://www.tng.iac.es
Official telescope website.

Tempel-Tuttle, comet
http://cometography.com/pcomets/055p.html
Information page at Cometography website.

Tenma
http://heasarc.gsfc.nasa.gov/docs/tenma/tenma.html
Information page at Goddard Space Flight Center.

Thirty Meter Telescope
http://www.tmt.org
Official telescope website.

time zone
http://astro.ukho.gov.uk/nao/miscellanea/WMTZ/
Map of current time zones at HM Nautical Almanac Office.

transit
http://eclipse.gsfc.nasa.gov/transit/transit.html
NASA transits website.

Transition Region and Coronal Explorer
http://trace.lmsal.com
Official mission website.

Trojan asteroid
http://www.minorplanetcenter.net/iau/lists/Trojans.html
Database of trojan minor planets.

Tubitak National Observatory
http://www.tug.tubitak.gov.tr/tug_summary.htm
Official observatory website.
http://hea.iki.rssi.ru/rtt150/en/index.php
Information page on RTT150 telescope.

Tuttle-Giacobini-Kresak, comet
http://cometography.com/pcomets/041p.html
Information page at Cometography website.

Two Micron All Sky Survey
http://www.ipac.caltech.edu/2mass
Official project website with numerous images.

Tycho Catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/259
Detailed description and full catalogue downloadable from the CDS.

 

U  Top

Uhuru
http://heasarc.gsfc.nasa.gov/docs/uhuru/uhuru.html
Information page at Goddard Space Flight Center.

UKIRT Infrared Deep-Sky Survey
http://www.ukidss.org
Official project website.

Ulysses
http://sci.esa.int/ulysses
ESA mission website.

United Kingdom Infrared Telescope
http://www.jach.hawaii.edu/UKIRT
Official telescope website.

United Kingdom Schmidt Telescope
http://www.aao.gov.au/AAO/ukst
Official telescope website.

Uranometria
http://lhldigital.lindahall.org/u?/astro_atlas,0
Scans of the original atlas.

US Naval Observatory
http://www.usno.navy.mil/USNO
Official observatory website.

USNO CCD Astrographic Catalogue
http://www.usno.navy.mil/USNO/astrometry/optical-IR-prod/ucac
Official catalogue web page.

 

V  Top

Vatican Advanced Technology Telescope
http://www.vaticanobservatory.org/VATT/index.php
Official telescope website.

Venus Express
http://sci.esa.int/venus-express/
ESA mission website.

Very Energetic Radiation Imaging Telescope Array System
http://veritas.sao.arizona.edu
Official telescope website.

Very Large Array
http://www.vla.nrao.edu
Official telescope website.

Very Large Telescope
http://www.eso.org/public/teles-instr/vlt.html
Official telescope website.

Very Long Baseline Array
http://www.vlba.nrao.edu
Official VBA website.

Very Small Array
http://www.mrao.cam.ac.uk/outreach/radio-telescopes/vsa/
Official telescope website.

Virtual Observatory
http://www.ivoa.net
International Virtual Observatory Alliance website.
http://www.euro-vo.org/
European Virtual Observatory website.

Visible and Infrared Survey Telescope for Astronomy
http://www.eso.org/public/teles-instr/surveytelescopes/vista...
Official telescope website.

Voyager
http://voyager.jpl.nasa.gov
Official mission website.

 

W  Top

Washington Double Star Catalogue
http://ad.usno.navy.mil/wds
Full catalogue online, updated nightly.

West, comet
http://cometography.com/lcomets/1975v1.html
Information page at Cometography website.

Westerbork Synthesis Radio Telescope
http://www.astron.nl/radio-observatory/public/public-0
Official telescope website.

Wide Field Infrared Survey Explorer
http://wise.ssl.berkeley.edu
Official mission website.

Wilkinson Microwave Anisotropy Probe
http://wmap.gsfc.nasa.gov
Official mission website.

William Herschel Telescope
http://www.ing.iac.es/Astronomy/telescopes/wht
Official telescope website.

Wilson-Harrington, comet
http://cometography.com/pcomets/107p.html
Information page at Cometography website.

Wind
http://www-istp.gsfc.nasa.gov/wind.shtml
Official mission website.
http://science.nasa.gov/missions/wind/
Mission page at NASA.

WIYN Telescope
http://www.noao.edu/wiyn
Official telescope website.

W.M. Keck Observatory
http://www.keckobservatory.org
Official observatory website.

Wyoming Infrared Observatory
http://physics.uwyo.edu/~chip/wiro/wiro.html
Official observatory website.

 

X  Top

Xinglong Observatory
http://www.bao.ac.cn/
Official observatory website.

XMM-Newton
http://sci.esa.int/xmm-newton/31249-summary/
ESA mission website.

 

Y  Top

Yerkes Observatory
http://astro.uchicago.edu/yerkes
Official observatory website.

Yohkoh
http://www.isas.jaxa.jp/e/enterp/missions/yohkoh/index.shtml
Mission page at Japan Aerospace Exploration Agency.

 

Z  Top

Zwicky galaxy catalogue
http://cdsarc.u-strasbg.fr/viz-bin/Cat?VII/190
Detailed description and full catalogue downloadable from the CDS.
http://cdsarc.u-strasbg.fr/ftp/cats/J/PASP/111/438/ReadMe
Updated Zwicky Catalogue downloadable from the CDS.

 

Illustrations

Here is a list of links to over 100 illustrations, arranged alphabetically by the relevant dictionary entries:

A B C D E F G H I J K L M N O P Q R S T U V W

A  Top

Andromeda Galaxy
http://www.esa.int/esaCP/SEMY1K0SDIG_index_1.html

Antennae galaxies
http://hubblesite.org/newscenter/archive/releases/2006/46/im...

apogee
http://solarsystem.nasa.gov/multimedia/display.cfm?IM_ID=442

asteroid belt
http://solarsystem.nasa.gov/galleries/the-asteroid-belt

Atacama Large Millimetre Array
http://www.eso.org/public/images/alma-chajnantor-scene1/

aurora
http://earthobservatory.nasa.gov/IOTD/view.php?id=44348&src=fb

 

B  Top

barred spiral galaxy
http://hubblesite.org/newscenter/archive/releases/2005/01/im...

Betelgeuse
http://hubblesite.org/newscenter/archive/releases/star/massi...

Black Eye galaxy
http://hubblesite.org/newscenter/archive/releases/2004/04/im...

butterfly diagram
http://solarscience.msfc.nasa.gov/images/bfly.gif

 

C  Top

caldera
http://www.esa.int/esa-mmg/mmg.pl?b=b&type=I&mission=Mars%20...

Cassiopeia A
http://www.spitzer.caltech.edu/images/1445-ssc2005-14c-Cassi...

Cat's Eye Nebula
http://hubblesite.org/newscenter/archive/releases/2004/27/im...

Centaurus A
http://www.eso.org/public/images/cena/

Coalsack Nebula
http://www.eso.org/public/images/b06/

comet
http://www.eso.org/public/images/phot-mar14-hbs-2/

corona, solar
http://www.eso.org/public/images/eso0127a/

coronal hole
http://sdo.gsfc.nasa.gov/gallery/potw/item/272

coronal mass ejection
http://earthobservatory.nasa.gov/IOTD/view.php?id=44362

cosmic microwave background
http://map.gsfc.nasa.gov/media/101080/index.html

Crab Nebula
http://hubblesite.org/newscenter/archive/releases/2005/37/im...

Cygnus X-1
https://www.spacetelescope.org/images/cygx1_illust_orig/

 

D  Top

Dione
http://photojournal.jpl.nasa.gov/catalog/PIA08256

Dumbbell Nebula
http://www.eso.org/public/images/eso9846a/

 

E  Top

Eagle Nebula
http://www.eso.org/public/images/eso0926a/

Earth
http://earthobservatory.nasa.gov/Features/BlueMarble/BlueMar...

Eros
http://photojournal.jpl.nasa.gov/catalog/PIA02475

Eskimo Nebula
http://hubblesite.org/newscenter/archive/releases/2000/07/im...

Eta Carinae
http://www.eso.org/public/images/eso0817a/
or
http://hubblesite.org/newscenter/archive/releases/2009/25/im...

Europa
http://photojournal.jpl.nasa.gov/catalog/PIA03002

extrasolar planet
http://www.gemini.edu/gallery/v/astronomical_images_and_illu...

 

F  Top

Fornax cluster
http://www.eso.org/public/images/eso0949g/

 

G  Top

galactic centre
http://www.spitzer.caltech.edu/images/1540-ssc2006-02a-A-Cau...

Galaxy
http://www.nasa.gov/mission_pages/spitzer/multimedia/2008060...

Galilean satellites
http://photojournal.jpl.nasa.gov/catalog/PIA00601

Gaspra
http://photojournal.jpl.nasa.gov/catalog/PIA00118

Gemini Observatory
http://www.gemini.edu/gallery/media/moonlit-giant

globular cluster
http://hubblesite.org/image/2434/news_release/2008-40

globule
http://hubblesite.org/newscenter/archive/releases/2007/16/im...

Gran Telescopio Canarias
http://www.gtcdigital.net/imagenes.php?op1=6&op2=4&gal=9&img...

gravitational lens
http://hubblesite.org/newscenter/archive/releases/2000/07/im...

Great Red spot
http://hubblesite.org/newscenter/archive/releases/2008/42/im...

 

H  Top

Hadley Rille
http://apollo.sese.asu.edu/LIW/20071114.html
or
http://commons.wikimedia.org/wiki/File:Apollo_15_Hadley_Rill...

Helix Nebula
http://www.eso.org/public/images/eso0907a/

Hobby-Eberly Telescope (1)
https://mcdonaldobservatory.org/news/gallery/het-dome-dusk

Hobby-Eberly Telescope (2)
https://mcdonaldobservatory.org/news/gallery/het-mirror-through-dome
or
http://mcdonaldobservatory.org/news/gallery/image.php?id=121

Horsehead Nebula
http://www.eso.org/public/images/eso0202a/

Hubble Space Telescope
http://spaceflight.nasa.gov/gallery/images/shuttle/sts-125/h...

 

I  Top

Iapetus
http://photojournal.jpl.nasa.gov/catalog/PIA11690

Ida
http://photojournal.jpl.nasa.gov/catalog/PIA00069

Io
http://photojournal.jpl.nasa.gov/catalog/PIA01667

 

J  Top

James Webb Space Telescope
http://ngst.gsfc.nasa.gov/images_artist13532.html

Jewel Box cluster
http://www.eso.org/public/images/eso0940a/
or
http://www.eso.org/public/images/eso0940b/

Jupiter
http://photojournal.jpl.nasa.gov/catalog/PIA02873

 

K  Top

Kuiper Belt
http://solarsystem.nasa.gov/multimedia/display.cfm?IM_ID=10195

 

L  Top

Lagoon Nebula
http://www.eso.org/public/images/eso0936a/

Large Binocular Telescope
https://www.jpl.nasa.gov/missions/large-binocular-telescope-interferometer-lbti/

Large Magellanic Cloud
http://www.eso.org/public/images/lmc-schmidt-1986-6000p/

light pollution
http://photojournal.jpl.nasa.gov/catalog/PIA02991

Lunar Reconnaissance Orbiter photographs the Apollo 11 landing site
http://lroc.sese.asu.edu/news/index.php?/archives/135-High-N...

 

M  Top

Maffei Galaxies
http://www.spitzer.caltech.edu/images/3463-sig10-025-Maffei-...

Mars
http://hubblesite.org/newscenter/archive/releases/2003/22/im...

McNaught, comet
https://www.eso.org/public/images/mc_naught34/

http://www.eso.org/public/images/mc_naught40/

Mercury
http://photojournal.jpl.nasa.gov/catalog/PIA11245
and
http://photojournal.jpl.nasa.gov/catalog/PIA12313

Milky Way
http://www.eso.org/public/images/eso0932a/

Mimas
http://photojournal.jpl.nasa.gov/catalog/PIA12570

Moon
http://photojournal.jpl.nasa.gov/catalog/PIA00302
nearside
http://photojournal.jpl.nasa.gov/catalog/PIA00304
farside

 

N  Top

nebula
http://hubblesite.org/news_release/news/2015-01/3-nebulae

Neptune
http://photojournal.jpl.nasa.gov/catalog/PIA01492

nucleus, cometary
http://photojournal.jpl.nasa.gov/catalog/PIA13629

 

O  Top

Olympus Mons
http://www.esa.int/esa-mmg/mmg.pl?b=b&type=I&mission=Mars%20...

Omega Centauri
http://www.eso.org/public/images/eso0844a/

Oort Cloud
http://solarsystem.nasa.gov/multimedia/display.cfm?IM_ID=10195

Opportunity
http://photojournal.jpl.nasa.gov/catalog/PIA13669

Orientale Basin
http://photojournal.jpl.nasa.gov/catalog/PIA13225

Orion Nebula
http://hubblesite.org/newscenter/archive/releases/2006/01/im...

 

P  Top

palimpsest
http://photojournal.jpl.nasa.gov/catalog/PIA01659

perigee
http://solarsystem.nasa.gov/multimedia/display.cfm?IM_ID=442

Phobos
http://www.esa.int/esa-mmg/mmg.pl?b=b&type=I&mission=Mars%20...

planetary nebula
http://hubblesite.org/newscenter/archive/releases/nebula/pla...
or
http://hubblesite.org/newscenter/archive/releases/nebula/pla...

Pleiades
http://hubblesite.org/newscenter/archive/releases/2004/20/im...

Pluto
http://hubblesite.org/newscenter/archive/releases/2010/06/im...

Polaris
http://hubblesite.org/newscenter/archive/releases/2006/02/im...

prominence
http://sohowww.nascom.nasa.gov/pickoftheweek/old/03sep2010/

 

Q  Top

quasar
http://www.eso.org/public/images/eso0529a/

 

R  Top

radar astronomy
http://www.jpl.nasa.gov/news/news.cfm?release=2011-011

Rhea
http://photojournal.jpl.nasa.gov/catalog/PIA11458

ring galaxy
http://hubblesite.org/newscenter/archive/releases/2007/17/im...

Ring Nebula
http://hubblesite.org/newscenter/archive/releases/1999/01/im...

 

S  Top

Sagittarius A
http://chandra.harvard.edu/photo/2010/sgra/

Saturn
http://hubblesite.org/newscenter/archive/releases/solar%20sy...

Seyfert galaxy
http://hubblesite.org/newscenter/archive/releases/1998/28/im...

Shoemaker-Levy 9, Comet
http://hubblesite.org/newscenter/archive/releases/solar-syst...

Sombrero galaxy
http://www.eso.org/public/images/sombrero/

South Pole-Aitken Basin
http://www.lpi.usra.edu/publications/slidesets/clem2nd/slide...

spiral galaxy
http://www.eso.org/public/images/eso1042a/

Spirit
http://photojournal.jpl.nasa.gov/catalog/PIA12203

starburst galaxy
http://hubblesite.org/newscenter/archive/releases/2006/14/

Stardust
http://www.nasa.gov/mission_pages/stardust/multimedia/pia021...

Stephan's Quintet
http://www.gemini.edu/gallery/v/astronomical_images_and_illu...

sungrazer
http://sohowww.nascom.nasa.gov/pickoftheweek/old/22oct2010/

sunspot
http://sohowww.nascom.nasa.gov/gallery/images/spotcollage.html
or
http://sohowww.nascom.nasa.gov/gallery/images/sunspot00.html

supernova
http://hubblesite.org/newscenter/archive/releases/1999/19/im...

supernova remnant
http://www.spitzer.caltech.edu/images/2060-sig08-016-Vivid-V...
or
http://www.spitzer.caltech.edu/images/1276-ssc2004-15a%20-NA...

Surveyor
http://solarsystem.nasa.gov/multimedia/display.cfm?IM_ID=8463
or
http://solarsystem.nasa.gov/multimedia/display.cfm?IM_ID=1753

Syrtis Major
http://photojournal.jpl.nasa.gov/catalog/PIA00173

 

T  Top

Tarantula Nebula
http://www.eso.org/public/images/eso0216a/

Titan
http://photojournal.jpl.nasa.gov/catalog/PIA08398

transit
http://sohowww.nascom.nasa.gov/hotshots/2006_11_06/

Trifid Nebula
http://www.eso.org/public/images/eso0930a/
or
http://www.spitzer.caltech.edu/images/1367-ssc2005-02a1-Visi...

 

U  Top

ultraviolet astronomy
http://photojournal.jpl.nasa.gov/catalog/PIA03033

Uranus
http://hubblesite.org/newscenter/archive/releases/2007/32/im...
or
http://hubblesite.org/newscenter/archive/releases/1998/35/

 

V  Top

Valles Marineris
http://photojournal.jpl.nasa.gov/catalog/PIA00422

Veil Nebula
http://hubblesite.org/image/2164/news_release/2007-30

Venus
http://photojournal.jpl.nasa.gov/catalog/PIA00106

Very Large Telescope
http://www.eso.org/public/images/eso-paranal-33/

 

W  Top

Whirlpool Galaxy
http://hubblesite.org/newscenter/archive/releases/2005/12/im...

W. M. Keck Observatory
http://keckobservatory.org/gallery/detail/123/