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The Big Bang is widely considered to have obliterated any trace of what came before. Now, astrophysicists at the California Institute of Technology (Caltech) think that their new theoretical interpretation of an imprint from the earliest stages of the universe may also shed light on what came before."It's no longer completely crazy to ask what happened before the Big Bang," comments Marc Kamionkowski, Caltech's Robinson Professor of Theoretical Physics and Astrophysics. Kamionkowski...

In recent studies, physicists may have not only found a new model for the creation of our universe, they may also have found an entirely new view on time altogether. The journal Physical Review Letters shares details about a recent study of the cosmic microwave background "“ light emitted when the universe was only 400,000 years old. It is relic radiation that fills the universe and acts as evidence for the Big Bang theory. In 1992 the Cobe satellite discovered tiny fluctuations on the...