Auteur: Gwenhaël de Wasseige

Hearing is the new seeing: gravitational waves at the VUB

In order to celebrate the first observation of Gravitational Waves and its revolutionary implications to the multi-messenger astronomy, the Interuniversity Institute for High Energies IIHE(ULB-VUB) hosted a seminar in English for the general public, entitled “The Discovery of Gravitational Waves: The Sound of Black Holes”.

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The Universe Talks with a Brand New Voice!

Two weeks ago, the Laser Interferometer Gravitational-Wave Observatory (LIGO) collaboration announced the first direct observation of gravitational waves. The signal was emitted by two black holes colliding together 1.3 billion years ago forming a single black hole 62 times more massive than our Sun. The collision created gravitational energy ripples that travelled through the Universe. The two multi-kilometer-scale LIGO detectors located in Hanford, Washington, USA and in Livingston, Louisiana, USA, have now detected these ripples in the fabric of spacetime.

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