Astrophysical phenomena involving the interaction of high-energy particles with black holes represent a unique opportunity to probe extreme gravitational environments. These interactions can occur when a black hole accretes matter, forming a hot, swirling disk of plasma that emits radiation across the electromagnetic spectrum. For example, the jets launched from the poles of some actively feeding black holes can accelerate particles to near-light speed, producing gamma rays and other high-energy emissions.
Studying such systems offers crucial insights into fundamental physics. It allows researchers to test Einstein’s theory of general relativity in strong gravitational fields, explore the behavior of matter under extreme conditions, and potentially uncover new particles or physical processes. Historically, advancements in observational astronomy, particularly in X-ray and gamma-ray telescopes, have been essential for studying these energetic environments. These observations are critical for understanding the evolution of galaxies and the role that supermassive black holes play in shaping the cosmos.