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You are here : AllRefer.com > Reference > Encyclopedia A-Z >
• Science and Technology > Astronomy and Space Exploration

Astronomy, General Articles

• aberration of starlight
• absolute magnitude
• Adrastea
• aerolite
• airglow
• albedo
• Alfonsine tables
• Almagest
• Alphonsine tables
• altazimuth coordinate system
• altazimuth mounting
• Amalthea
• American Ephemeris and Nautical Almanac
• Ananke
• Andromeda Galaxy
• anomalistic year
• apastron
• aphelion
• apogee
• apparent magnitude
• apparent solar time
• apsides
• apsis
• Aquarids
• asteroid
• astrolabe
• astrometry
• astronomical coordinate systems
• Astronomical Ephemeris
• astronomical unit
• astronomy
• astrophysics
• Atlas, in astronomy
• azimuth
• Baily£s beads
• Beehive
• Belinda
• Bianca
• big-bang theory
• binary star
• black hole
• blink microscope
• Bode£s law
• bolide
• Braille
• brown dwarf
• Caliban
• CallirrhoE
• Callisto, in astronomy
• Calypso, in astronomy
• carbon-nitrogen-oxygen cycle
• Carme
• Cassegrain focus
• Cassini£s division
• celestial equator
• celestial horizon
• celestial mechanics
• celestial meridian
• celestial pole
• celestial sphere
• Cepheid variable
• Ceres, in astronomy
• Chaldene
• Charon, in astronomy
• chondrite
• chromosphere
• circumpolar star
• civil time
• cluster
• Coalsack
• COBE
• color index
• coma, in astronomy
• comet
• conjunction, in astronomy
• Copernican system
• cordelia
• corona, in astronomy
• coronagraph
• Cosmic Background Explorer
• CoudE focus
• counterglow
• Crab Nebula
• Cressida, in astronomy
• culminate
• cycle
• dark matter
• day
• daylight saving time
• declination
• Deimos
• Desdemona
• Despina
• Dione, in astronomy
• diurnal circle
• dog days
• double star
• Draconids
• dwarf star
• eccentricity
• eclipse
• eclipsing binary star
• ecliptic
• ecliptic coordinate system
• Elara
• elongation
• Enceladus
• encounter theory
• ephemeris
• ephemeris time
• epicycle
• Epimetheus, in astronomy
• equation of time
• equatorial coordinate system
• equatorial mounting
• equinox
• Erinome
• Eros, in astronomy
• escape velocity
• Europa, in astronomy
• evening star
• expanding universe
• faculae
• failed star
• falling star
• filament
• fireball
• flare, solar
• flash spectrum
• flocculi
• Foucault pendulum
• Fraunhofer lines
• galactic cluster
• galactic coordinate system
• Galatea, in astronomy
• galaxy
• gamma-ray astronomy
• Ganymede, in astronomy
• gegenschein
• Geminids
• geocentric system
• giant star
• gibbous phase
• globular cluster
• gnomon
• granule
• Greenwich mean time
• Hale Observatories
• Halley£s comet
• Harpalyke
• harvest moon
• Helene
• heliocentric system
• Hercules cluster
• Hermes, in astronomy
• Hertzsprung-Russell diagram
• Hidalgo, in astronomy
• Himalia
• horizon
• horizon coordinate system
• Horsehead Nebula
• hour angle
• hour circle
• Hubble£s law
• hunter£s moon
• Hyades, in astronomy
• Hyperion, in astronomy
• Iapetus, in astronomy
• Icarus, in astronomy
• inclination
• inferior planet
• Infrared Astronomical Satellite
• infrared astronomy
• Infrared Space Observatory
• interstellar matter
• Io, in astronomy
• Iocaste
• IRAS
• Isonoe
• Janus, in astronomy
• Jovian planets
• Julian Day calendar
• Juliet
• Juno, in astronomy
• Jupiter, in astronomy
• Kalyke
• Kepler£s laws
• Kirkwood gaps
• Kuiper Airborne Observatory
• Kuiper belt
• Lagoon Nebula
• Larissa, in astronomy
• Leda, in astronomy
• light-year
• limb darkening
• local group
• local solar time
• luminosity
• Lyrids
• Lysithea
• Magellanic Clouds
• magnitude
• main-sequence star
• Major Planets of the Solar System (table)
• Maksutov telescope
• maria
• Mars, in astronomy
• mascon
• mass-luminosity relation
• mean solar time
• Megaclite
• Mercury, in astronomy
• meridian circle
• Messier catalog
• meteor
• meteor shower
• meteorite
• meteoroid
• Metis
• Metonic cycle
• midnight sun
• Milky Way
• Mimas
• minor planet
• Miranda
• moon
• morning star
• nadir
• Naiad, in astronomy
• Nautical Almanac
• nebula
• nebular hypothesis
• Neptune, in astronomy
• Nereid
• neutrino astronomy
• neutron star
• New General Catalog
• Newtonian focus
• NICMOS
• node
• North American Nebula
• nova
• nucleosynthesis
• nutation
• Oberon
• obliquity of the ecliptic
• observatory
• occultation
• Oort cloud
• open cluster
• Ophelia
• opposition
• optical double
• orbit
• Orion Nebula
• Pallas, in astronomy
• Pan, in astronomy
• Pandora, in astronomy
• parallax
• parsec
• PasiphaE, in astronomy
• penumbra
• periastron
• perigee
• perihelion
• Perseids
• perturbation
• phase, in astronomy
• Phobos
• Phoebe, in astronomy
• photographic magnitude
• photosphere
• plage
• planet
• planetarium
• planetary nebula
• planetary science
• planetary system
• planetesimal theory
• planetoid
• Pleiades, in astronomy
• Pluto, in astronomy
• population I and II
• Portia
• Praesepe
• Praxidike
• precession of the equinoxes
• Prometheus, in astronomy
• prominences
• proper motion
• Proteus, in astronomy
• proton-proton cycle
• protoplanet theory
• Ptolemaic system
• Puck, in astronomy
• pulsar
• quadrature
• quasar
• quasi-stellar object
• radar astronomy
• radial velocity
• radiant
• radio astronomy
• radio telescope
• red giant
• red shift
• reflector
• refractor
• resolving power
• retrograde motion
• Rhea, in astronomy
• right ascension
• rille
• Ring nebula
• Rosalind
• RR Lyrae
• saros
• satellite, artificial
• satellite, natural
• Saturn, in astronomy
• Schmidt telescope
• seeing
• sextant
• shooting star, in astronomy
• sidereal day
• sidereal period
• sidereal time
• sidereal year
• siderolite
• Signs of the Zodiac (table)
• Sinope
• SOFIA
• solar constant
• solar system
• solar time
• solar wind
• solstice
• Space Infrared Telescope Facility
• spectral class
• Spectral Classes for Main Sequence Stars (table)
• spectroheliograph
• spectroscopic binary
• spicule
• spiral nebula
• standard time
• star
• star cluster
• star-of-Bethlehem
• steady-state theory
• stellar evolution
• stellar populations
• stellar structure
• Stratospheric Observatory for Infrared Astronomy
• sun, in astronomy
• sunspots
• supergiant star
• superior planet
• supernova
• Sycorax
• synchrotron radiation
• synodic period
• syzygy
• Taygete
• telescope
• Telesto
• terrestrial planet
• Tethys, in astronomy
• Thalassa
• Thebe
• Themisto
• tidal theory
• Titan, in astronomy
• Titania
• Titius-Bode law
• transit
• transit instrument
• Triton, in astronomy
• Trojan asteroids
• tropical year
• twilight
• twinkling
• ultraviolet astronomy
• umbra
• Umbriel
• universal time
• universe
• Uranus, in astronomy
• variable star
• Venus, in astronomy
• vernal equinox
• vertical circle
• Vesta, in astronomy
• visual binary
• visual magnitude
• Vulcan, in astronomy
• white dwarf
• WidmanstAtten figures
• Wolf-Rayet star
• X-ray astronomy
• year
• zenith
• zodiac
• zodiacal light

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