The CMB is the leftover radiation from the Big Bang, the event that created the universe. It is a faint glow of radiation that permeates the entire universe and provides valuable insights into the early universe.

The CMB has a temperature of 2.725 Kelvin, which is very close to absolute zero (-273.15 °C).

The CMB is significant because it provides evidence for the Big Bang theory, helps determine the age of the universe, and allows us to study the early universe.

CMB anisotropies are variations in the temperature and polarization of the CMB. These variations provide valuable information about the early universe and the evolution of cosmic structures.

CMB anisotropies are caused by density fluctuations in the early universe, gravitational waves, and scattering of CMB photons by intervening matter.

The primary polarization pattern of the CMB consists of both E-mode and B-mode polarization. E-mode polarization is caused by scalar perturbations, while B-mode polarization is caused by tensor perturbations.

The significance of B-mode polarization in the CMB lies in the fact that it provides evidence for gravitational waves, which are ripples in spacetime predicted by Einstein's theory of general relativity.

The COBE, WMAP, and Planck satellite missions were all specifically designed to study the CMB and have made significant contributions to our understanding of the early universe.

The cosmic microwave background radiation is a remnant of the Big Bang, the event that created the universe.

The temperature of the cosmic microwave background radiation is 2.725 Kelvin.

The cosmic microwave background radiation is significant because it provides evidence for the Big Bang theory, helps determine the age of the universe, and allows us to study the early universe.

CMB anisotropies are variations in the temperature and polarization of the CMB. These variations provide valuable information about the early universe and the evolution of cosmic structures.

CMB anisotropies are caused by density fluctuations in the early universe, gravitational waves, and scattering of CMB photons by intervening matter.

The primary polarization pattern of the CMB consists of both E-mode and B-mode polarization. E-mode polarization is caused by scalar perturbations, while B-mode polarization is caused by tensor perturbations.

The significance of B-mode polarization in the CMB lies in the fact that it provides evidence for gravitational waves, which are ripples in spacetime predicted by Einstein's theory of general relativity.