Page 2 - Background Explorer News Today

"It has been rightly said that nothing is unimportant, nothing powerless in the universe; a single atom can dissolve everything, and save everything! What terror! There lies the eternal distinction between good and evil." -Gerard De Nerval

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.

From the beginning of the universe to now, here are five big questions astronomers are hoping the James Webb Space Telescope will solve.

The Big Bang Theory explains how the universe began with an infinitely hot and dense single point that inflated to form the ever-expanding cosmos we see today.