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cosmic microwave background

1 of 1noun
/ˈkɑzmɪk ˈmaɪkroʊweɪv ˈbækɡraʊnd/
1

(cosmology) the faint glow of radiation spreading through the universe, believed to be residual radiation from the Big Bang

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  • The cosmic microwave background is remarkably uniform across the sky.
  • CMB helps us learn about the universe's composition and evolution.
  • The cosmic microwave background is the afterglow of the Big Bang.
  • Scientists use satellites like the Planck Observatory to map CMB.
  • Studying fluctuations in CMB reveals insights into cosmic structure formation.