A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
©2017, Kenneth R. Koehler. All Rights Reserved. This document may be freely reproduced provided that this copyright notice is included.
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absolute magnitude
absorption nebula
absorption spectra
accretion disc
acoustic peaks
age of the universe
alpha decay
amplitudes
analemma
Angstrom (A)
angular momentum
angular diameter
antimatter
antiparticle
aphelion
apogee
apparent magnitude
arcsecond
Astronomical Unit (AU)
atomic mass units (amu)
aurora
azimuthal
barred spiral galaxies
baryon number conservation
baryon
beta decay
Big Bang
binary systems
black body
blue shift
Boltzmann's constant
brown dwarf
Carbon flash
Cassegrain
causal future
causal past
causally connected
causally disconnected
celestial equator
center of mass
central bulge
Chandrasekhar Limit
Cherenkov Radiation
chromosphere
cluster halos
clusters of galaxies
CNO Cycle
closed universe
Cold Dark Matter (CDM)
color filtering and compositing
co-moving coordinates
conservation equation
conservation of charge
continuous spectra
corona
coronal holes
coronal mass ejection
cosmic rays
Cosmological Constant
critical density
curvature
curvature constant
dark energy
dark energy-dominated phase
dark halos
dark matter
declination (dec)
decoupling
degenerate star
diffraction pattern
diffraction spikes
Doppler Shift
Drake's Equation
dwarf galaxies
eccentricity
ecliptic
effective radius
Einstein's Equations
electromagnetic force
electromagnetic radiation
electron neutrino
electron-volt (eV)
ellipse
elliptical galaxies
embedding
emission nebula
emission spectra
endothermic
energy density
energy
equation of state
ergosphere
escape velocity
events
extinction
extremal black hole
fermions
filaments
filaments
flat space
flux
foci
four dimensions
frame dragging
frame of reference
frequency
Friedmann Equation
Friedmann-Robertson-Walker (FRW) metric
future light cone
Galilean Moons of Jupiter
gamma decay
gamma ray bursts
gauge bosons
Gaussian distribution
General Relativity
General Relativity (GR)
geodesics
globular clusters
granules
gravitational mass
gravitational waves
gravity waves
halo
helicity
heliocentric
Helioseismology
Helium flash
Hertz (Hz)
Hertzsprung-Russell Diagram
homogeneous
horizon
horizon
horizon
horizontal branch
Hot Dark Matter (HDM)
Hubble Parameter
Hubble Relation
Hyashi Track
Hydrogen-α
Hydrogen shell burning
inertia
inertia
inertial frames
infrared
intensity
interacting galaxies
interference pattern
interferometry
inverse square law
ion
irregular galaxies
isotropic
Kelvin
Kepler's first law
Kepler's second law
Kepler's third law
Kerr metric
kinematics
kinematics
Kretschmann Invariant
Kuiper Belt
last scattering surface
lenticular galaxies
lepton number conservation
lepton number
leptons
lightyear (ly)
Local Bubble
luminosity classes
luminosity
main sequence
mapping
matter-dominated phase
Maunder Minimum
mean free path
Messier Objects
meteorite
meteoroid
meteor
metric
molecular dust lanes
morphology
multipole moment
negative pressure
neutrinos
neutron capture
neutron star
New Galactic Catalog
Newton's Equation
noon
nova
nucleosynthesis
observers
Oort Cloud
open, or galactic clusters
open universe
optical depth
orbital elements
orbital velocity
pair production
parallax
parsec (pc)
particle horizon
past light cone
Pauli Exclusion Principle
perfect fluid
perigee
perihelion
photon
photon
photosphere
Pillars of Creation
planetary nebula
planetesimal
plasma
polar
polarization
positron (e+)
power spectrum
preferred direction
primordial
projections
propagate
proton-proton chain
protoplanetary disc
pulsar
quarks
quintessence
radian
radiation-dominated phase
reddening
red giant branch
red shift
red shift
reflection nebulae
refraction
re-ionization
relativistic
resolution
retrograde motion
RGB color model
Right Ascension (RA)
ring galaxies
Ritchey-Chretien
Roche Limit
rotation curve
RR Lyrae
r-t plane
scale factor
scarps
seeing
semimajor axis
Sersic index
Sersic law
sidereal day
simultaneity
Sirius B
snow line
solar day
solar wind
sound horizon
spacelike interval
spacetime
spatial section
Special Relativity
spectral classes
spectrum
speed of light
spicules
standard candles
standard deviation
Standard Model of Particle Physics
Stark Effect
static black hole
Stefan's Law
strong force
Sunyaev-Zel'dovich effect
supermassive black hole
surface brightness
surface gravities
symmetry
synchronous orbits
synodic month
telescopes
temperature of the universe
temporal (timelike)
tidal accelerations
timelike interval
TNOs (Trans-Neptunian Objects)
transition region
Triple Alpha Process
Tully-Fisher Relation
Type Ia supernova
Type Ib supernova
Type Ic supernova
Type II supernova
ubvri photometric system
ultraviolet
voids
volcanic rilles
wavelength
waves
weak force
white dwarf
Wien's Law
Wilkinson Microwave Anisotropy Probe (WMAP)
world line
zenith
Zero Age Main Sequence