Cosmic Microwave Background

Science

The Big Bang did not happen at a point in space; it was the rapid expansion of space itself, so there is no single "location" to point to. Instead, observations show that the un...

Science

The phrase last big bang theory typically refers to the current standard model of cosmic origins, in which the universe began from an extremely hot, dense state and has been exp...

Cosmology

The Big Bang theory describes the universe's expansion from a hot, dense initial state, supported by cosmic microwave background radiation, light element abundances, and large-s...

Science

The phrase “the Big Bang theory not the show” points to the scientific model of cosmic origins, not the popular television sitcom. In short, the Big Bang theory is the leadi...

Cosmology

In the moments after the Big Bang, the universe underwent rapid expansion and cooling, transitioning from an extremely hot, dense state to a cooling fireball where particles beg...