Astrophysics (Index)About

temperature

(measure of hotness/coldness of matter)

Temperature is the measure of hotness or coldness of something, which corresponds to the kinetic energy of the random motion of its constituent particles. When the motion is not random, a temperature may not be defined: thermodynamic equilibrium implies sufficient randomness, but sometimes a temperature is evident short of that, e.g., local thermodynamic equilibrium. In daily life, temperature is fairly clear, but a cited temperature may need qualification for some extreme conditions, regarding how it is determined, or when describing something where temperature is varying in time or space. Some means by which temperature is measured:

Stellar temperature determination is accomplished using these values and others.


(physics,measure)
Further reading:
http://en.wikipedia.org/wiki/Temperature

Referenced by pages:
abiotic oxygen
absorption
absorption coefficient
absorption line
adiabatic process
asymptotic giant branch (AGB)
active galactic nucleus (AGN)
alpha process
adaptive mesh refinement (AMR)
angular power spectrum
anisotropy
antenna temperature
ARCADE
ARGOS
atmosphere
atmospheric escape
atmospheric temperature profile
Balmer jump
baryon acoustic oscillations (BAO)
baroclinicity
Big Bang nucleosynthesis (BBN)
B-type star (B)
Bose-Einstein condensate (BEC)
beta (β)
binding energy
black body (BB)
black-body radiation
bolometer
bolometric correction
Boltzmann constant (k)
Boltzmann equation
Bose-Einstein statistics
Beta Pictoris b (β Pic b)
brightness temperature (TB)
brown dwarf (BD)
carbonate-silicate cycle
carbonate system
carbon burning
CCAT-prime (CCAT-p)
chemical equilibrium (CE)
Cepheid variable (CEP)
chemodynamics
clathrate
CMB anisotropies
CMB polarization
CNO cycle
carbon monoxide (CO)
cold gas
cold spot
color temperature (TC)
comet
convection zone
cooling flow
cooling function
corona
cryogenic spectroscopy
cryovolcano
dark matter
data cube
deuterium burning
Earth
earthshine
eccentricity (e)
eclipse mapping
effective temperature (Teff)
reduction potential (Eh)
electron capture
electron degeneracy
emissivity
entropy (S)
equation of state (EoS)
equilibrium condensation model
equilibrium temperature (Teq)
ethylene (C2H4)
electron volt (eV)
exosphere
55 Cancri e (55 Cnc e)
51 Eridani b
51 Pegasi b (51 Peg b)
fractionation
freeze-out
fusion
galaxy formation
Gamow peak
giant planet formation
giant star
GJ 1132 b
GJ 1214 b
Gliese 436 b (GJ 436 b)
gravitational collapse
greenhouse effect
habitability
habitable zone (HZ)
Hadley cell
Hawking radiation
Hayashi limit
horizontal branch (HB)
acetylene (C2H2)
HD 80606 b
heating
helium (He)
neutral atomic hydrogen (HI)
HII region (HII)
HI region (HI)
homologous collapse
HR 8799
H-R diagram (HRD)
humidity
hydrodynamic escape
hydrology
ice giant
ionization correction factor (ICF)
ideal gas law
infrared (IR)
insolation
instability strip
integration time
Io
ion
isothermal core
Infrared Telescope Maffei (ITM)
Jeans escape
Jeans length
kappa mechanism (κ-mechanism)
kinetic energy (KE)
kelvin (K)
Kepler-1625b
Kepler-16b
Kepler-186f
Kepler-452b
K-line
Kramers opacity law
potassium/thorium ratio (K/Th ratio)
LHS 3844 b
Local Interstellar Cloud (LIC)
line shape function
lithium (Li)
lithium burning
Local Bubble
local thermodynamic equilibrium (LTE)
magma ocean
Mars
mathematical field
Maxwell-Boltzmann distribution
M-type star (M)
mean free path
meridional flow
metallic hydrogen
mixing length theory
molecular cloud
neon burning
neutron star (NS)
noise temperature
nuclear energy generation rate (ε)
OGLE-2005-BLG-3290Lb
Origins Space Telescope (OST)
oxygen burning
partition function (Z)
partial differential equation (PDE)
pointing error (PE)
PG 1159 star
phase transition
photosphere
Planck function
planet formation
planet type
plasma
power law
proton-proton chain
protoplanetary nebula (PPN)
Proxima b
Pioneer Venus Orbiter (PVO)
quark-gluon plasma (QGP)
quantum tunneling
quark
radioactive dating
Rayleigh-Jeans law
red clump (RC)
red giant
refractory material
reheating
retrieval
Reynolds number (Re)
Rosseland mean opacity
rp-process
Saha equation
scale height (H)
supercritical fluid (SCF)
Schönberg-Chandrasekhar limit
spectral energy distribution (SED)
shell
shock wave
siderophile
sigma (σ)
silicon burning
spectral line energy distribution (SLED)
superluminous supernova (SLSN)
snow line
solar wind
specific heat
spectral class
spectral index (α)
spectral signature
spectral type
spectroscopy
star formation (SF)
state of excitation
state of ionization
Stefan-Boltzmann constant (σ)
stellar core
stellar model atmosphere
stellar parameter determination
stellar radius determination
stellar structure
stellar temperature determination
stratigraphy
Strömgren sphere
supercooling
supergiant
superionic ice
surface temperature
Sachs-Wolfe effect (SWE)
symmetry breaking
Sunyaev-Zel'dovich effect (SZ effect)
T-type star (T)
transition edge sensor (TES)
Thermal Bremsstrahlung
thermal emission
thermal noise
thermal runaway
thermal wind
thermodynamic equilibrium (TE)
tidal locking
Tillotson equation
Titan
TOI 700 d
transition region
twinkling
ultraluminous infrared galaxy (ULIRG)
Vega
virial theorem
volatile material
water activity (aw)
water vapor planet
weathering
wavefront error (WFE)
white dwarf (WD)
Wien approximation
Wien's displacement law
WISE 0855-0714
Y-type star (Y)
zonal flow

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