New posts in Cosmic Microwave Background

Is the commonly accepted Universe age of 13.8B years really accurate?

Red- / Blueshifting and relativistic length contraction at $0.8c$ - How would it look?

Why is CMB an evidence of hotter and denser early Universe?

Has the speed of light ever been measured in vacuum?

Is the "cosmological constant tension" the prime reason that we believe the expansion of the universe is accelerating?

What wavelength was the CMB originally?

Did the big bang create an infinite number of photons?

Understanding the CMB background as a reference frame

For how long CMB was being emitted?

Why do cosmic rays slow down when passing through the CMB?