Big Bang Discovery Comes Under Fire
Concerns rise over a rumored error in observations of gravitational waves rippling through the aftermath of the big bang. In March the Background Imaging of Cosmic Extragalactic Polarization 2 (BICEP2) team headed by Harvard's John Kovac announced a pioneering observation of cosmological "gravitational waves" first predicted by Einstein to headlines worldwide. The claim seemed to confirm the conventional cosmological view of the universe expanding exponentially in its earliest instant.
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