Edwin Hubble describes the sequence of discoveries that lead to evidence of `` inflation '' Urry : Inflation , far faster than speed of light , happened in the second instant of the universe . As Carl Sagan once said , `` Extraordinary claims require extraordinary evidence . '' Urry : Theory began today with Meg Urry : Cosmic Microwave Background named after him . Urry : After inflation , the universe went into more `` sedate '' pace of Big Bang we see now .
Edwin Hubble describes the sequence of discoveries that lead to evidence of `` inflation '' Urry : Inflation , far faster than speed of light , happened in the second instant of the universe . Urry : Theory began today with Meg Urry : Cosmic Microwave Background named after him . Urry : After inflation , the universe went into more `` sedate '' pace of Big Bang we see now .