Planck Data Says BICEP2 Gravitational Waves Were Contaminants

Gravitational waves are phenomena predicted by Einstein's theory of General Relativity but no one has ever observed them and their discovery would have profound implications for the study of the Universe. Last March, the team behind the BICEP2 project made a ground-breaking announcement: the Antarctic observatory had detected a signal referable to gravitational waves. The study said they excluded possible contaminants - other sources that could have generated the same signal - and that the observation was valid. read more

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