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GWverse roadmap is now out!

Jun. 16, 2018

The grand challenges of contemporary fundamental physics - dark matter, dark energy, vacuum energy, inflation and early universe  cosmology, singularities and the hierarchy problem - all involve gravity as a key component. And of all gravitational phenomena, black holes stand out in their elegant simplicity, while harbouring some of the most remarkable predictions of general relativity: event horizons, singularities and ergoregions.

The hitherto invisible landscape of the gravitational Universe is being unveiled before our eyes: the historical direct detection of gravitational waves by the LIGO-Virgo collaboration marks the dawn of a new era of scientific exploration. Gravitational-wave astronomy will allow us to test models of black hole formation, growth and evolution, as well as models of gravitational-wave generation and propagation. It will provide evidence for event horizons and ergoregions, test the theory of general relativity itself, and may reveal the existence of new fundamental fields. The synthesis of these results has the potential to radically reshape our understanding of the cosmos and of the laws of nature.

The Action has prepared a write-up summarizing our present knowledge and key open challenges. We hope that it can serve as a guide for the exciting road ahead.