Astronomers saw them after 25 years of observation, using six of the world's most sensitive radio telescopes
Ultra-low frequency gravitational waves that could reveal secrets about the formation of the universe have been observed for the first time.
They are thought to have come from pairs of supermassive black holes found in the centres of merging galaxies. Dr Michael Keith, lecturer at the university's Jodrell Bank Centre for Astrophysics, described the findings as"the beginning of a new journey into the universe to unveil some of its unsolved mysteries".They are ripples in space produced when two objects are orbiting one another - in this case, pairs of supermassive black holes, which are hundreds of millions of times the mass of our sun.
Belgique Dernières Nouvelles, Belgique Actualités
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