Your Glossary
for
Principles of Astronomy
by Dr Jamie Love 
© 1997 - 2011
- absolute index of refraction
- absolute magnitude (brightness)
- absorption spectrum
- accretion disk
- accretion process
- active galaxy, active galactic nucleus, AGN
- Age of Great Bombardment
- aging star
- Almagest
- altitude
- Amor asteroid
- angstrom
- angular momentum
- annual parallax
- annular eclipse
- Antarctic Circle
- aphelion
- apogee
- Apollo asteroid
- Arctic Circle
- asteriod, minor planet
- Asteroid Belt
- astrometry
- astronomical unit (AU)
- Aten asteroid
- auroral ovals
- Autum(nal) Equinox, Fall Equinox
- averted vision
- axial inclination
- azimuth
- background radiation
- Baily's Beads
- barred spiral galaxies (SB)
- barycenter
- basalt
- Big Bang Theory
- Big Crunch
- binary stars, binary star systems)
- binocular parallax
- binoculars
- BL Lacertae galaxies
- black dwarf
- black hole
- blue giant
- blue shifted
- bow shock
- breccia
- bremsstrahlung radiation
- c = 299,792,458 meters per second
- Cassegrain reflector
- catadrioptic
- cation
- celestial coordinates
- Celestial Equator
- Celestial Hemisphere
- Celestial Sphere
- centripetal force
- Cepheid variables
- Chandrasekar's limit
- chromatic aberration
- chromosphere
- circumpolar
- clefts
- collision hypothesis
- cones
- conjunction
- convection zone
- converging lenses
- convex
- corona
- coronal mass ejections
- COsmic Background Explorer (COBE) Project, satellite
- cosmology
- crater
- craters
- critical density, Omegam
- C-type asteroid
- cusp
- dark nebula
- declination
- degenerate electron pressure
- degenerate iron
- degenerate matter
- degenerate neutron pressure
- density waves
- deuteron
- direct motion
- dirty snowball
- disk galaxies
- Doppler effect
- double convex
- Draconic month
- dust tail
- E = mc2
- Earth's mantle / Earth's core
- Earthshine
- eccentricity
- eclipse
- eclipsing binary
- ecliptic & inclination
- ecliptic, ecliptic plane
- Eddington limit
- electron degenerate
- ellipse
- elliptical galaxies (E)
- elongation
- emission planetary nebula
- emission spectrum
- emitted light
- emitting nebula
- envelope
- epicycles
- equatorial
- Equinox
- event horizon
- explosive prominence
- extrasolar planets
- eyepiece (lens)
- far side (star side)
- fault
- First Point, RA 0h
- focal length
- focal point
- focal ratio
- focus, foci
- fovea
- Fraunhofer lines
- free fall
- fusion
- galactic cannibalism
- galactic plane
- galaxy
- galaxy clusters
- gamma ray
- gas-ion tail
- geocentric
- giants
- globular star clusters
- gravitational instability
- gravity
- Greenwich, England
- hand lens, magnifying glass
- heat energy
- heliopause
- helium
- helium flash
- helium shell flashes
- Hertzsprung-Russell Diagram, H-R Diagram
- high tide
- highlands
- Hubble's constant
- hydrogen
- ilmenite
- imaginary image
- incident ray
- inferior conjunction
- inferior planets
- infrared waves, infrared
- interstellar dust
- interstellar hydrogen, 21.1 centimeters in wavelength
- inverse square law
- ionized
- iron fusion
- irregular galaxies (Irr I and Irr II)
- isotopic signature
- jets
- Kepler's first law
- Kepler's Laws of Planetary Motion
- Kepler's second law
- Kepler's third law
- Kerr black hole
- kinetic energy
- Kirkwood gaps
- KREEPs
- land tides
- latitude
- lava flows
- light-year
- long period comets
- longest day
- longitude
- long-term variable star
- low tide
- Lsun
- luminosity
- lunar eclipse
- Lunar Transient Phenomena, LTP
- lunation
- M number
- magnetic axis
- magnetic field
- magnetopause
- magnetosheath
- magnetosphere
- magnetotail
- magnification
- magnitude
- Main Sequence
- major axis
- mara
- maria
- mass
- mass transfer
- Maunder Minimum
- Maxwell-Boltzmann distribution
- measurements
- medium
- meridian
- Messier object
- meteor
- meteor shower
- meteorite
- meteoroid
- MeVs
- microflares
- micrometeorite
- milky circle, galaxias kuklo
- mini black holes
- minor axis
- minute of arc, arc minute
- Moon
- motion, relative motion
- M-type asteroid
- multiple stars, multiple star systems
- nadir
- neap tides
- near side (Earth side)
- nebula
- neutrino
- neutron star
- NEVER STARE AT THE SUN!
- Newtonian reflector
- nodes
- nova
- nuclear fusion
- nucleus
- objective (lens)
- occultation
- olivine
- open star clusters
- opposition
- optical devices
- optical double
- optics
- orbit
- orbital inclination
- orbital velocity
- Oscillating Universe Theory
- panspermia
- parallax
- parsec
- partial eclipse
- particle cosmology
- peak energy
- penumbra
- perigee
- perihelion
- perturbation, wobble
- phases of moon
- photon
- photosphere
- plagioclase feldspar
- planetary nebula
- planetary orbits
- plasma
- Population I stars
- Population II stars
- position angle, PA
- positron
- precession, precess
- primary focus
- primary star
- prism
- prominences
- protogalaxy cloud
- proton
- protoplanetary nebula
- protoplanets, ProtoEarth, ProtoSun
- protostar
- Ptolemaic universe
- pulsar, "Little Green Men"
- pulsating M-type supergiant
- pyroxene
- quadrature
- quantum cosmology, Planck epoch
- quasars
- quiescent prominence
- RA & declination
- radial motion
- radiant
- radiation
- radiative zone
- radio galaxies
- radio wavelengths, radiowaves
- random walk
- rays
- real image
- red dwarf
- red giant
- red shift
- red shift and the universe expanding
- reflected light
- reflecting nebula
- reflector (telescope)
- refracted ray
- refraction
- refractive index
- refractor (telescope)
- regolith
- relative magnitude (brightness)
- relativistic effects
- retina
- retrograde motion
- right ascension (RA)
- rilles
- Ripples of the Big Bang
- rock dating
- rods
- rotational axis
- Sa, Sb, Sc
- Saros cycle
- Saros series
- satellite
- Schmidt-Cassegrain
- Schwartzchild radius
- scientific notation
- seasons
- second of arc, arc second
- secondary star
- separation
- sextant
- Seyfert galaxies
- shadow bands
- short period comets
- shortest day
- sidereal period
- single convex
- singularity
- (Snell's law)
- SNC meteorites, Sherrgotty India, Nakhla Egypt, Chassigny France
- solar conjunction
- solar cycle
- solar eclipse
- solar elongation
- solar flares
- solar mass
- solar storm
- solar wind
- Solstice
- spectroscopy
- spectrum
- spiral galaxies (S)
- spotting scope, monocular
- Spring Equinox, Vernal Equinox
- spring tides
- spy glass (terrestrial telescope)
- standard candle
- standard cosmology
- Standard Cosmology Model
- star clusters
- star color, star types, classes and subclasses
- star nursery
- starburst galaxy
- Steady-State Theory
- stellar evolution
- S-type asteroid
- Summer Solstice
- Sun's apparent path
- sunspots
- supergiant
- superior conjunction
- superior planets
- superluminal
- supernova
- supernova Type I
- supernova Type II
- surface temperatures
- symbol "Z"
- synchronous rotation
- synchrotron radiation
- synodic period
- T Tauri
- tangential velocity
- tektite
- terminator
- terraced
- the Local Group
- The Sun's photosphere will …
- tidal bridge
- tides
- time zones
- total eclipse
- total internal reflection
- total luminosity
- totality
- transmutation
- transverse motion (proper motion)
- triple alpha process
- Trojan asteroid
- ultraviolet, UV
- umbra
- Universal Time, UT
- Van Allen zones, Van Allen belts
- Vernal Equinox, Spring Equinox
- virtual image
- W Virginis variables
- walled plains
- wavelength
- white dwarf
- (Wien's displacement law)
- Winter Solstice
- X-rays
- zenith
- Zenith Hourly Rate, ZHR
- Zero Age Main Sequence, ZAMS stars
- Zodiac
Principles of Astronomy is copyright protected, is the sole property of the author (Dr Jamie Love © 1997 - 2011) and is sold exclusively by Merlin Science. Any form of reproduction by any media is strictly forbidden.
However, Dr Love allows this page to be printed out (a hard copy made) for use by the student(s) taking the course Principles of Astronomy.
In this sample, only the first quarter of the course is available. The remaining section are included in the complete hypertextbook, which does not have the advertisements displayed here in this sample. To learn more about the course and hypertextbook, visit the Principles of Astronomy website.