Physikalisches Kolloquium: Prof. Dr. Karsten Danzmann (MPI für Gravitationsphysik und Universität Hannover)

Gravitational Wave Astronomy: Listening to the sounds of the dark universe!

15.01.2019 ab 16:15

Leibnizstr. 13, 24118 Kiel, Hans-Geiger Hörsaal

Abstract

For thousands of years we have been looking at the universe with our eyes. But most of the universe is dark and will never be observable with electromagnetic waves. Since September 14th, 2015, everything is different: Gravitational waves were discovered! We have obtained a new sense and finally we can listen to the dark side of the universe. The first sounds that we heard were from unexpectedly heavy Black Holes, which we are now routinely and frequently detecting. The observation of a neutron star merger opened the era of multi-messenger astronomy. Low-Frequency gravitational wave signals from supermassive black holes will soon be detected by the space detector LISA. And the laser technology developed for gravitational wave detection is now being used for earth observation with the GRACE Follow-on mission.

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