Gravitational waves according to Planck

September 22, 2014 7:40 PM

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Scientists of the Planck collaboration, and in particular the Trieste team, have conducted a series of in-depth checks on the discovery recently publicized by the Antarctic Observatory, which announced last spring that it had detected some direct effects of gravitational waves on cosmic microwave background radiation, a potentially groundbreaking discovery in the field of cosmology. Analysis of the Planck satellite data demonstrates that the effect of contaminating sources, such as gases from our galaxy, cannot be ruled out.

No one has ever directly observed gravitational waves, phenomena predicted by Einstein's theory of General Relativity, and such a discovery would have profound implications for the study of the Universe. Last March, however, the team behind the BICEP2 project made a ground-breaking announcement: the...

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