8 Conclusion

Significant effort worldwide has been invested, and is continuing to be invested, in the development of both ground and spaced based gravitational-wave detectors. Over the coming years, ground-based detectors will reach sensitivities that will enable the direct observation of gravitational waves as predicted by Einstein’s General Theory of Relativity and open the exciting new field of gravitational-wave astronomy. Studying the gravitational-wave sky could radically change our understanding of the Universe, expanding our knowledge of fundamental physics, cosmology and relativistic astrophysics. Gravitational-wave observations will allow us to gaze into the heart of the most violent events in the Universe, and will help answer some of the biggest questions, particularly in cosmology when combined with other astronomical observations.

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