With the current state of scientific knowledge and equipment, understanding astrophysical black holes invariably requires detailed studies of the observable elements surrounding them. The STRONGGRAVITY project has developed novel analytical tools to do just that, with a focus on radiation.
Radiation processes taking place near black holes tell us much about physics in extreme conditions, conditions that not even the most advanced experimental setups can recreate. They also provide a unique opportunity to test Einstein’s theory of relativity in the strong-field regime.