Cosmic microwave background

URI: https://gptkb.org/entity/Cosmic_microwave_background
GPTKB entity
Statements (42)
Predicate Object
gptkbp:instanceOf cosmic background radiation
gptkbp:age about 13.8 billion years
gptkbp:alsoKnownAs gptkb:CMB
gptkbp:contains anisotropies
gptkbp:discoveredBy gptkb:Arno_Penzias
gptkb:Robert_Wilson
gptkbp:discoveredIn 1965
gptkbp:evidence gptkb:Big_Bang_theory
gptkbp:fills gptkb:observable_universe
gptkbp:firstLight universe became transparent
https://www.w3.org/2000/01/rdf-schema#label Cosmic microwave background
gptkbp:isotropic approximately
gptkbp:isUniformTo one part in 100,000
gptkbp:observedBy space missions
ground-based observatories
balloon experiments
microwave telescopes
gptkbp:originatedIn recombination era
gptkbp:partOf gptkb:cosmology
astrophysics
universe
physical cosmology
gptkbp:polarization present
gptkbp:provides gptkb:Hubble_constant
dark energy
dark matter
cosmic inflation
baryon density
universe's age
universe's composition
universe's geometry
gptkbp:redshift about 1100
gptkbp:remnants early universe
gptkbp:spectralType blackbody
gptkbp:studiedBy gptkb:Planck_satellite
gptkb:COBE
gptkb:WMAP
gptkbp:temperature 2.725 K
gptkbp:wavelengthPeak 1.9 mm
gptkbp:bfsParent gptkb:Radio_telescopes
gptkb:Space_telescopes
gptkbp:bfsLayer 7