Related articles:
Age of the universe
Galaxy
Metric expansion of space
Universe
Dark matter
Large-scale structure of the cosmos
Parsec
Multiverse
Cosmic microwave background radiation
Light-year
Star
Speed of light
Earth
Key terms:
universe
billion
galaxies
atoms
observable universe
cosmic
estimate
wmap
cmbr
cosmological
radius
textrm
horizon
emitted
hubble
radiation
diameter
sphere
microwave
big bang
distant
calculated
incorrect
spherical
smaller than
multiverse
billion years
universo
visible universe
hydrogen atoms
expansion of space
recombination
speed of light
dark matter
corresponds
dark energy
number of stars
other signals
billion light
gravitational
matter content
whole universe
last scattering
estimate of the number
comoving distance
than the observable universe
metric expansion of space
some parts of the universe
stars in the observable universe
cosmic microwave background radiation
Search external links cited by footnotes on Wikipedia page Observable universe:
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