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Roadmap offers expert insight into gravitational-wave astronomy

4 Jul 2019, 11:50 UTC
Roadmap offers expert insight into gravitational-wave astronomy
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Gravity sits at the heart of some of the most important open problems in astrophysics, cosmology and fundamental physics, while black holes harbour some of the most remarkable predictions of Einstein’s general theory of relativity. Now, more than 200 researchers from all over the world have come together to create a roadmap that surveys current and future research in strong-field gravity, with topics ranging from the astrophysics of black holes to the modelling of gravitational-wave signals. Vitor Cardoso, one of four editors of the roadmap, offers a brief introduction.
The long-held promise of gravitational-wave astronomy as a new window onto the universe has finally materialized, with several dramatic discoveries made by the LIGO-Virgo collaboration over the past few years. But these are just first steps along a new and exciting avenue of exploration that is only now opening up before us. The questions we want to tackle cut across disciplines and research interests, and the answers will undoubtedly reshape our understanding of black-hole-powered phenomena, the formation of structure in the Universe, and the nature of gravity at all scales.

Harvesting useful information from gravitational-wave (GW) signals and understanding its broader implications demand a multidisciplinary effort. What exactly will GWs tell ...

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