In cosmology, the cosmic microwave background radiation is a form of electromagnetic radiation discovered in 1965 that fills the entire universe. It has a thermal 2.725 kelvin black body spectrum ...

The cosmic microwave background (CMB) is primeval radiation emitted shortly after the Big Bang. Regarded as an 'echo' of the Big Bang, CMB fills the universe.

What is cosmic microwave background radiation? Did it happen after the Big Bang? – Sreehari, aged nine, Kerala State, India. The Cosmic Microwave Background (CMB for short), is light: the oldest ...

New observations support the idea that hot, diffuse threads of gas called cosmic filaments connect clusters of galaxies ...

In the Big Bang Theory, the cosmic microwave background — microwave-range radiation that floats through the entire universe ...

Is it possible to understand the Universe without understanding the largest structures that reside in it? In principle, not ...

A team of astronomers has presented a theory suggesting that Earth and our entire galaxy, the Milky Way, may be located ...

The standard model of cosmology relies on an accurate reading of the cosmic microwave background. This radiation, emitted 380,000 years after the Big Bang, is considered proof of the theory's ...

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

The Cosmic Microwave Background radiation, or CMB for short, is a faint glow of light that fills the universe, falling on Earth from every direction with nearly uniform intensity.