Astrophysics (Index)About

electromagnetic radiation

(EMR, EM radiation, radiation)
(radiation such as light, radio, X-rays)

Electromagnetic radiation (EM radiation or EMR or just radiation) is radiation such as light, radio, etc. Classifications within the electromagnetic spectrum:

For more detail, see Wavelengths Table.


(physics,electromagnetism)
Further reading:
http://en.wikipedia.org/wiki/Electromagnetic_radiation
http://www.physics.umd.edu/courses/Phys122/Streets/25_EM_Induction_and_Waves.pdf

Referenced by pages:
absorption
absorption coefficient
absorption line
active galaxy
advection dominated accretion flow (ADAF)
active galactic nucleus (AGN)
albedo
angstrom (Å)
angular power spectrum
antenna pattern
antenna temperature
aperture
apodization
ARCADE
astronomical quantities
atmosphere
atmosphere formation
atmospheric escape
aurora
Balmer series
band shifting
Balmer-break galaxy (BBG)
beam
Big Bang
biosignature
black body (BB)
black-body radiation
black hole (BH)
blazar
bolometer
bolometric correction
bolometric luminosity (LBol)
bolometric magnitude (Mbol)
Brackett series
bremsstrahlung
carbon (C)
Castro
cosmic background radiation (CBR)
cavity-enhanced absorption spectroscopy (CEAS)
cosmic gamma ray background (CGB)
chemodynamics
Cherenkov detector
Cherenkov radiation
cosmic infrared background (CIB)
circumstellar disk
Cloudy
cold mass accretion (CMA)
cosmic microwave background (CMB)
CMB polarization
cosmic optical background (COB)
coherent light
cold gas
column density
Compton reflection
Compton scattering
Compton telescope
continuous absorption
continuum emission
corona
cosmic dust
cosmic rays (CR)
cosmology
counterpart
circular polarization ratio (CPR)
critical density (ρc)
current sheet
curvature radiation
cosmic X-ray background (CXB)
cyclotron radiation
dark galaxy
dark matter
dark nebula
deep survey
diffuse emission
dispersion measure (DM)
dark matter filament
Doppler broadening
Doppler shift
Dragone telescope
dropout
earthshine
extragalactic background light (EBL)
eccentricity (e)
Eddington approximation
Eddington luminosity
effective temperature (Teff)
electromagnetic spectrum
electron orbital
electrostatic barrier
extremely low frequency (ELF)
electromagnetism (EM)
emission
emission coefficient (j)
emission line
emissivity
energy density
epoch of reionization (EOR)
equilibrium temperature (Teq)
escape fraction
escape velocity (Ve)
etalon
extreme ultraviolet (EUV)
electron volt (eV)
event horizon (EH)
Faraday rotation
far infrared (FIR)
star formation feedback
filter
fluorescence
flux
foreground subtraction
Fourier transform
flux reconstruction (FR)
frame of reference
Fanaroff-Riley classification
frequency
fusion
galactic electron density
galaxy formation
gamma rays (GR)
geodesic
grazing incidence optics (GIO)
grating
gravimetry
gravitational lensing
gravitational redshift
gravity
gray body
gamma-ray burst (GRB)
greenhouse effect
grism
Gunn-Peterson trough
gravitational wave (GW)
GW170817
gravitational-wave detector
gravitational wave spectrum
habitability
HARM²
helium rain
ionized hydrogen (HII)
HII region (HII)
HITEMP
HITRAN
hypermassive neutron star (HMNS)
hot DOG
hydrodynamics
hydrogen (H)
intergalactic medium (IGM)
inflated radii
infrared (IR)
in situ
insolation
intensity
interference
interferometry
interstellar holography
inverse square law
ionizing radiation
ionosphere
irradiance
infrared excess (IRX)
isophote
isotropy
Kelvin-Helmholtz mechanism
KID
kilonova (KN)
Kirchhoff's law of thermal radiation
Klein-Nishina formula
Kramers opacity law
Lyman-break galaxy (LBG)
light cone
light curve
light echo
limb
line shape function
luminous infrared galaxy (LIRG)
local thermodynamic equilibrium (LTE)
luminosity distance (dL)
Lyman-alpha forest
Lyman series
Lyot stop
MACHO
magnetic dipole radiation
magnitude
maser
Maxwell's equations
microwave
Mie scattering
millimeter astronomy
MITgcm
molecular cloud
molecular handedness
multi-messenger astronomy
near infrared (NIR)
neutron scattering
neutron star (NS)
NGC 3314
nitrogen (N)
occultation
occultation observations
OH/IR source
one dimensional climate model
1.3-mm observation
PAH emissions
Paschen series
photodissociation region (PDR)
photodiode
photoevaporation
photometric system
photometry
photon
photon counting
photon noise
Planck function
planet structure
photomultiplier tube (PMT)
polarimetry
polarization
polarization modes
power law
Poynting vector (S)
protogalaxy
protoplanetary disk (PPD)
pulsar timing array (PTA)
pulsar (PSR)
quantum efficiency (QE)
quantum
radiance
radiation era
radiation pressure
radiative flux
radiative transfer (RT)
radio
radio astronomy
radiolysis
radiometer
radio relics
radio telescope
Rayleigh-Jeans law
Rayleigh scattering
redshift (z)
reflection nebula
relativistic beaming
relativity
rest wavelength
radiative forcing (RF)
radio galaxy (RG)
radiation hydrodynamics (RHD)
rocky planet
Rosseland mean opacity
radiative transfer code (RT code)
equation of radiative transfer (RTE)
Schuster-Schwarzschild model
spectral energy distribution (SED)
sensitivity function (S)
star formation history (SFH)
Shapiro delay
shock wave
SIMSTACK
sky subtraction
super low frequency (SLF)
superluminous supernova (SLSN)
submillimeter galaxy (SMG)
supernova designator
supernova remnant (SNR)
Solar and Heliospheric Observatory (SOHO)
solar constant
solid angle (Ω)
source function (S)
spectral power distribution (SPD)
spectral density
spectral flux density (S)
spectral index (α)
spectral line
spectral signature
spectrograph
spectrometer
spectropolarimetry
spectroscope
spectroscopy
SPECULOOS
speed of light (c)
spin-down luminosity
synchrotron self-Compton (SSC)
standard model of a flare
standard siren
starburst galaxy
star formation (SF)
stellar atmosphere
stellar flare
stellar model atmosphere
stellar population
stellar structure
stellar temperature determination
superconducting tunnel junction (STJ)
Stokes parameters
Strömgren sphere
submillimeter astronomy
subradio
sunspot
superluminal motion
superradiance
surface temperature
survey field
Sachs-Wolfe effect (SWE)
synchrotron radiation
systematic error
tidal disruption event (TDE)
telescope
temperature
transition edge sensor (TES)
thermal inertia
Thomson optical depth (τT)
Thomson scattering
three dimensional model
TIMED
timescale (t)
Titan
tremendously low frequency (TLF)
21-cm line
tomography
transient
transiting planet
transmission spectroscopy
two-stream approximation
Type Ia supernova
ultra low frequency (ULF)
ultraviolet (UV)
visible light
very low frequency (VLF)
vegetation red edge (VRE)
water lines
watt (W)
wave-particle duality
weak lensing (WL)
white dwarf (WD)
Wien's displacement law
WIMP
atmospheric window
X-ray
Yarkovsky effect
Yarkovsky-O'Keefe-Radzievskii-Paddack effect (YORP)
ZEPLIN
zone of avoidance (ZOA)

Index